Note:
The expiration time in the watch graphic is amended if the watch is
replaced, cancelled or extended.
Note: Click for
Watch Status Reports.
SEL0
URGENT - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WATCH NUMBER 510
NWS STORM PREDICTION CENTER NORMAN OK
210 PM EDT THU JUN 25 2009
THE NWS STORM PREDICTION CENTER HAS ISSUED A
SEVERE THUNDERSTORM WATCH FOR PORTIONS OF
NORTHEAST INDIANA
SOUTHERN MICHIGAN
NORTHERN INTO CENTRAL OHIO
FAR NORTHWEST PENNSYLVANIA
LAKE ERIE
LAKE HURON
EFFECTIVE THIS THURSDAY AFTERNOON AND EVENING FROM 210 PM UNTIL
1000 PM EDT.
HAIL TO 2 INCHES IN DIAMETER...THUNDERSTORM WIND GUSTS TO 70
MPH...AND DANGEROUS LIGHTNING ARE POSSIBLE IN THESE AREAS.
THE SEVERE THUNDERSTORM WATCH AREA IS APPROXIMATELY ALONG AND 105
STATUTE MILES NORTH AND SOUTH OF A LINE FROM KALAMAZOO MICHIGAN
TO 20 MILES EAST SOUTHEAST OF YOUNGSTOWN OHIO. FOR A COMPLETE
DEPICTION OF THE WATCH SEE THE ASSOCIATED WATCH OUTLINE UPDATE
(WOUS64 KWNS WOU0).
REMEMBER...A SEVERE THUNDERSTORM WATCH MEANS CONDITIONS ARE
FAVORABLE FOR SEVERE THUNDERSTORMS IN AND CLOSE TO THE WATCH
AREA. PERSONS IN THESE AREAS SHOULD BE ON THE LOOKOUT FOR
THREATENING WEATHER CONDITIONS AND LISTEN FOR LATER STATEMENTS
AND POSSIBLE WARNINGS. SEVERE THUNDERSTORMS CAN AND OCCASIONALLY
DO PRODUCE TORNADOES.
OTHER WATCH INFORMATION...CONTINUE...WW 508...WW 509...
DISCUSSION...SEVERAL CLUSTERS/AREAS OF SEVERE THUNDERSTORMS EXPECTED
TO EVOLVE ACROSS WW THROUGH THIS EVENING WITHIN LARGE RESERVOIR OF
MODERATE TO STRONG INSTABILITY AND MODEST DEEP LAYER SHEAR.
DAMAGING WINDS AND LARGE HAIL WILL BE COMMON WITH THE MORE INTENSE
CORES AS ACTIVITY MOVE ESEWD THROUGH THE EVENING.
AVIATION...A FEW SEVERE THUNDERSTORMS WITH HAIL SURFACE AND ALOFT
TO 2 INCHES. EXTREME TURBULENCE AND SURFACE WIND GUSTS TO 60
KNOTS. A FEW CUMULONIMBI WITH MAXIMUM TOPS TO 500. MEAN STORM
MOTION VECTOR 28020.
...EVANS
Note:
The Aviation Watch (SAW) product is an approximation to the watch area.
The actual watch is depicted by the shaded areas.
SAW0
WW 510 SEVERE TSTM IN MI OH PA LE LH 251810Z - 260200Z
AXIS..105 STATUTE MILES NORTH AND SOUTH OF LINE..
AZO/KALAMAZOO MI/ - 20ESE YNG/YOUNGSTOWN OH/
..AVIATION COORDS.. 90NM N/S /29ESE PMM - 19NNW EWC/
HAIL SURFACE AND ALOFT..2 INCHES. WIND GUSTS..60 KNOTS.
MAX TOPS TO 500. MEAN STORM MOTION VECTOR 28020.
LAT...LON 43758555 42658031 39618031 40708555
THIS IS AN APPROXIMATION TO THE WATCH AREA. FOR A
COMPLETE DEPICTION OF THE WATCH SEE WOUS64 KWNS
FOR WOU0.
Watch 510 Status Report Messages:
STATUS REPORT #5 ON WW 510
VALID 260045Z - 260140Z
SEVERE WEATHER THREAT CONTINUES RIGHT OF A LINE FROM 35 NNE DAY
TO 15 NNW FDY TO 20 E TOL TO 10 N CLE TO 15 NE YNG.
FOR ADDITIONAL INFORMATION SEE MESOSCALE DISCUSSION 1329.
..MEAD..06/26/09
ATTN...WFO...IWX...GRR...DTX...CLE...ILN...PBZ...
&&
STATUS REPORT FOR WS 510
SEVERE WEATHER THREAT CONTINUES FOR THE FOLLOWING AREAS
OHC005-013-019-029-031-033-035-041-043-055-059-063-065-067-075-
077-081-083-089-091-093-099-101-103-111-117-119-121-123-133-139-
143-147-151-153-155-157-159-169-173-175-260140-
OH
. OHIO COUNTIES INCLUDED ARE
ASHLAND BELMONT CARROLL
COLUMBIANA COSHOCTON CRAWFORD
CUYAHOGA DELAWARE ERIE
GEAUGA GUERNSEY HANCOCK
HARDIN HARRISON HOLMES
HURON JEFFERSON KNOX
LICKING LOGAN LORAIN
MAHONING MARION MEDINA
MONROE MORROW MUSKINGUM
NOBLE OTTAWA PORTAGE
RICHLAND SANDUSKY SENECA
STARK SUMMIT TRUMBULL
TUSCARAWAS UNION WAYNE
WOOD WYANDOT
$$
LEZ144-145-146-164-260140-
CW
. ADJACENT COASTAL WATERS INCLUDED ARE
THE ISLANDS TO VERMILION OH
VERMILION TO AVON POINT OH
AVON POINT TO WILLOWICK OH
THE ISLANDS TO VERMILION OH BEYOND 5NM OFF SHORE TO US/CANADIAN
BORDER
$$
THE WATCH STATUS MESSAGE IS FOR GUIDANCE PURPOSES ONLY. PLEASE
REFER TO WATCH COUNTY NOTIFICATION STATEMENTS FOR OFFICIAL
INFORMATION ON COUNTIES...INDEPENDENT CITIES AND MARINE ZONES
CLEARED FROM SEVERE THUNDERSTORM AND TORNADO WATCHES.
$$
STATUS REPORT #4 ON WW 510
VALID 252330Z - 260040Z
SEVERE WEATHER THREAT CONTINUES RIGHT OF A LINE FROM 35 N DAY TO
25 SSW FDY TO 10 S TOL TO 15 NNW TOL TO 15 SSW FNT TO 30 ESE MBS.
..MEAD..06/25/09
ATTN...WFO...IWX...GRR...DTX...CLE...ILN...PBZ...
&&
STATUS REPORT FOR WS 510
SEVERE WEATHER THREAT CONTINUES FOR THE FOLLOWING AREAS
MIC049-087-091-093-099-115-125-147-151-157-161-163-260040-
MI
. MICHIGAN COUNTIES INCLUDED ARE
GENESEE LAPEER LENAWEE
LIVINGSTON MACOMB MONROE
OAKLAND ST. CLAIR SANILAC
TUSCOLA WASHTENAW WAYNE
$$
OHC005-007-013-019-029-031-033-035-041-043-055-059-063-065-067-
075-077-081-083-085-089-091-093-095-099-101-103-111-117-119-121-
123-133-139-143-147-149-151-153-155-157-159-169-173-175-
260040-
OH
. OHIO COUNTIES INCLUDED ARE
ASHLAND ASHTABULA BELMONT
CARROLL COLUMBIANA COSHOCTON
CRAWFORD CUYAHOGA DELAWARE
ERIE GEAUGA GUERNSEY
HANCOCK HARDIN HARRISON
HOLMES HURON JEFFERSON
KNOX LAKE LICKING
LOGAN LORAIN LUCAS
MAHONING MARION MEDINA
MONROE MORROW MUSKINGUM
NOBLE OTTAWA PORTAGE
RICHLAND SANDUSKY SENECA
SHELBY STARK SUMMIT
TRUMBULL TUSCARAWAS UNION
WAYNE WOOD WYANDOT
$$
PAC039-049-260040-
PA
. PENNSYLVANIA COUNTIES INCLUDED ARE
CRAWFORD ERIE
$$
LCZ422-423-460-LEZ142-143-144-145-146-147-148-149-162-163-164-165-
166-167-168-169-444-LHZ443-260040-
CW
. ADJACENT COASTAL WATERS INCLUDED ARE
ST. CLAIR RIVER
DETROIT RIVER
LAKE ST. CLAIR OPEN LAKE (U.S. PORTION)
MAUMEE BAY TO RENO BEACH OH
RENO BEACH TO THE ISLANDS OH
THE ISLANDS TO VERMILION OH
VERMILION TO AVON POINT OH
AVON POINT TO WILLOWICK OH
WILLOWICK TO GENEVA-ON-THE LAKE OH
GENEVA-ON-THE-LAKE TO CONNEAUT OH
CONNEAUT OH TO RIPLEY NY
DETROIT RIVER LT. TO MAUMEE BAY OH TO RENO BEACH OH BEYOND 5NM
OFFSHORE TO US/CANADIAN BORDER
RENO BEACH TO THE ISLANDS OH BEYOND 5NM OFF SHORE TO US/CANADIAN
BORDER
THE ISLANDS TO VERMILION OH BEYOND 5NM OFF SHORE TO US/CANADIAN
BORDER
VERMILION TO AVON POINT OH BEYOND 5NM OFF SHORE TO US/CANADIAN
BORDER
AVON POINT TO WILLOWICK OH BEYOND 5NM OFF SHORE TO US/CANADIAN
BORDER
WILLOWICK TO GENEVA-ON-THE-LAKE OH BEYOND 5NM OFF SHORELINE TO
US/CANADIAN BORDER
GENEVA-ON-THE-LAKE TO CONNEAUT OH BEYOND 5NM OFF SHORE TO
US/CANADIAN BORDER
CONNEAUT OH TO RIPLEY NY BEYOND 5NM OFF SHORE TO US/CANADIAN
BORDER
MICHIGAN WATERS OF LAKE ERIE FROM DETROIT RIVER TO NORTH CAPE MI
PORT SANILAC TO PORT HURON MI
$$
THE WATCH STATUS MESSAGE IS FOR GUIDANCE PURPOSES ONLY. PLEASE
REFER TO WATCH COUNTY NOTIFICATION STATEMENTS FOR OFFICIAL
INFORMATION ON COUNTIES...INDEPENDENT CITIES AND MARINE ZONES
CLEARED FROM SEVERE THUNDERSTORM AND TORNADO WATCHES.
$$
STATUS REPORT #3 ON WW 510
VALID 252245Z - 252340Z
SEVERE WEATHER THREAT CONTINUES RIGHT OF A LINE FROM 45 NNW DAY
TO 30 SSW FDY TO 5 NNW TOL TO 25 WNW TOL TO 10 SSW JXN TO 5 W MBS.
..MEAD..06/25/09
ATTN...WFO...IWX...GRR...DTX...CLE...ILN...PBZ...
&&
STATUS REPORT FOR WS 510
SEVERE WEATHER THREAT CONTINUES FOR THE FOLLOWING AREAS
MIC049-065-075-087-091-093-099-115-125-145-147-151-155-157-161-
163-252340-
MI
. MICHIGAN COUNTIES INCLUDED ARE
GENESEE INGHAM JACKSON
LAPEER LENAWEE LIVINGSTON
MACOMB MONROE OAKLAND
SAGINAW ST. CLAIR SANILAC
SHIAWASSEE TUSCOLA WASHTENAW
WAYNE
$$
OHC005-007-011-013-019-029-031-033-035-041-043-055-059-063-065-
067-075-077-081-083-085-089-091-093-095-099-101-103-107-111-117-
119-121-123-133-139-143-147-149-151-153-155-157-159-169-173-175-
252340-
OH
. OHIO COUNTIES INCLUDED ARE
ASHLAND ASHTABULA AUGLAIZE
BELMONT CARROLL COLUMBIANA
COSHOCTON CRAWFORD CUYAHOGA
DELAWARE ERIE GEAUGA
GUERNSEY HANCOCK HARDIN
HARRISON HOLMES HURON
JEFFERSON KNOX LAKE
LICKING LOGAN LORAIN
LUCAS MAHONING MARION
MEDINA MERCER MONROE
MORROW MUSKINGUM NOBLE
OTTAWA PORTAGE RICHLAND
SANDUSKY SENECA SHELBY
STARK SUMMIT TRUMBULL
TUSCARAWAS UNION WAYNE
WOOD WYANDOT
$$
PAC039-049-252340-
PA
. PENNSYLVANIA COUNTIES INCLUDED ARE
CRAWFORD ERIE
$$
LCZ422-423-460-LEZ142-143-144-145-146-147-148-149-162-163-164-165-
166-167-168-169-444-LHZ443-252340-
CW
. ADJACENT COASTAL WATERS INCLUDED ARE
ST. CLAIR RIVER
DETROIT RIVER
LAKE ST. CLAIR OPEN LAKE (U.S. PORTION)
MAUMEE BAY TO RENO BEACH OH
RENO BEACH TO THE ISLANDS OH
THE ISLANDS TO VERMILION OH
VERMILION TO AVON POINT OH
AVON POINT TO WILLOWICK OH
WILLOWICK TO GENEVA-ON-THE LAKE OH
GENEVA-ON-THE-LAKE TO CONNEAUT OH
CONNEAUT OH TO RIPLEY NY
DETROIT RIVER LT. TO MAUMEE BAY OH TO RENO BEACH OH BEYOND 5NM
OFFSHORE TO US/CANADIAN BORDER
RENO BEACH TO THE ISLANDS OH BEYOND 5NM OFF SHORE TO US/CANADIAN
BORDER
THE ISLANDS TO VERMILION OH BEYOND 5NM OFF SHORE TO US/CANADIAN
BORDER
VERMILION TO AVON POINT OH BEYOND 5NM OFF SHORE TO US/CANADIAN
BORDER
AVON POINT TO WILLOWICK OH BEYOND 5NM OFF SHORE TO US/CANADIAN
BORDER
WILLOWICK TO GENEVA-ON-THE-LAKE OH BEYOND 5NM OFF SHORELINE TO
US/CANADIAN BORDER
GENEVA-ON-THE-LAKE TO CONNEAUT OH BEYOND 5NM OFF SHORE TO
US/CANADIAN BORDER
CONNEAUT OH TO RIPLEY NY BEYOND 5NM OFF SHORE TO US/CANADIAN
BORDER
MICHIGAN WATERS OF LAKE ERIE FROM DETROIT RIVER TO NORTH CAPE MI
PORT SANILAC TO PORT HURON MI
$$
THE WATCH STATUS MESSAGE IS FOR GUIDANCE PURPOSES ONLY. PLEASE
REFER TO WATCH COUNTY NOTIFICATION STATEMENTS FOR OFFICIAL
INFORMATION ON COUNTIES...INDEPENDENT CITIES AND MARINE ZONES
CLEARED FROM SEVERE THUNDERSTORM AND TORNADO WATCHES.
$$
STATUS REPORT #2 ON WW 510
VALID 252140Z - 252240Z
SEVERE WEATHER THREAT CONTINUES RIGHT OF A LINE FROM 15 S AZO TO
15 W MBS.
..MEAD..06/25/09
ATTN...WFO...IWX...GRR...DTX...CLE...ILN...PBZ...
&&
STATUS REPORT FOR WS 510
SEVERE WEATHER THREAT CONTINUES FOR THE FOLLOWING AREAS
INC003-033-087-113-151-252240-
IN
. INDIANA COUNTIES INCLUDED ARE
ALLEN DE KALB LAGRANGE
NOBLE STEUBEN
$$
MIC023-025-037-045-049-057-059-065-075-087-091-093-099-115-125-
145-147-149-151-155-157-161-163-252240-
MI
. MICHIGAN COUNTIES INCLUDED ARE
BRANCH CALHOUN CLINTON
EATON GENESEE GRATIOT
HILLSDALE INGHAM JACKSON
LAPEER LENAWEE LIVINGSTON
MACOMB MONROE OAKLAND
SAGINAW ST. CLAIR ST. JOSEPH
SANILAC SHIAWASSEE TUSCOLA
WASHTENAW WAYNE
$$
OHC003-005-007-011-013-019-029-031-033-035-039-041-043-051-055-
059-063-065-067-069-075-077-081-083-085-089-091-093-095-099-101-
103-107-111-117-119-121-123-125-133-137-139-143-147-149-151-153-
155-157-159-161-169-171-173-175-252240-
OH
. OHIO COUNTIES INCLUDED ARE
ALLEN ASHLAND ASHTABULA
AUGLAIZE BELMONT CARROLL
COLUMBIANA COSHOCTON CRAWFORD
CUYAHOGA DEFIANCE DELAWARE
ERIE FULTON GEAUGA
GUERNSEY HANCOCK HARDIN
HARRISON HENRY HOLMES
HURON JEFFERSON KNOX
LAKE LICKING LOGAN
LORAIN LUCAS MAHONING
MARION MEDINA MERCER
MONROE MORROW MUSKINGUM
NOBLE OTTAWA PAULDING
PORTAGE PUTNAM RICHLAND
SANDUSKY SENECA SHELBY
STARK SUMMIT TRUMBULL
TUSCARAWAS UNION VAN WERT
WAYNE WILLIAMS WOOD
WYANDOT
$$
PAC039-049-252240-
PA
. PENNSYLVANIA COUNTIES INCLUDED ARE
CRAWFORD ERIE
$$
LCZ422-423-460-LEZ142-143-144-145-146-147-148-149-162-163-164-165-
166-167-168-169-444-LHZ443-252240-
CW
. ADJACENT COASTAL WATERS INCLUDED ARE
ST. CLAIR RIVER
DETROIT RIVER
LAKE ST. CLAIR OPEN LAKE (U.S. PORTION)
MAUMEE BAY TO RENO BEACH OH
RENO BEACH TO THE ISLANDS OH
THE ISLANDS TO VERMILION OH
VERMILION TO AVON POINT OH
AVON POINT TO WILLOWICK OH
WILLOWICK TO GENEVA-ON-THE LAKE OH
GENEVA-ON-THE-LAKE TO CONNEAUT OH
CONNEAUT OH TO RIPLEY NY
DETROIT RIVER LT. TO MAUMEE BAY OH TO RENO BEACH OH BEYOND 5NM
OFFSHORE TO US/CANADIAN BORDER
RENO BEACH TO THE ISLANDS OH BEYOND 5NM OFF SHORE TO US/CANADIAN
BORDER
THE ISLANDS TO VERMILION OH BEYOND 5NM OFF SHORE TO US/CANADIAN
BORDER
VERMILION TO AVON POINT OH BEYOND 5NM OFF SHORE TO US/CANADIAN
BORDER
AVON POINT TO WILLOWICK OH BEYOND 5NM OFF SHORE TO US/CANADIAN
BORDER
WILLOWICK TO GENEVA-ON-THE-LAKE OH BEYOND 5NM OFF SHORELINE TO
US/CANADIAN BORDER
GENEVA-ON-THE-LAKE TO CONNEAUT OH BEYOND 5NM OFF SHORE TO
US/CANADIAN BORDER
CONNEAUT OH TO RIPLEY NY BEYOND 5NM OFF SHORE TO US/CANADIAN
BORDER
MICHIGAN WATERS OF LAKE ERIE FROM DETROIT RIVER TO NORTH CAPE MI
PORT SANILAC TO PORT HURON MI
$$
THE WATCH STATUS MESSAGE IS FOR GUIDANCE PURPOSES ONLY. PLEASE
REFER TO WATCH COUNTY NOTIFICATION STATEMENTS FOR OFFICIAL
INFORMATION ON COUNTIES...INDEPENDENT CITIES AND MARINE ZONES
CLEARED FROM SEVERE THUNDERSTORM AND TORNADO WATCHES.
$$
STATUS REPORT #1 ON WW 510
VALID 251930Z - 252040Z
THE SEVERE WEATHER THREAT CONTINUES ACROSS THE ENTIRE WATCH AREA.
..HURLBUT..06/25/09
ATTN...WFO...IWX...GRR...DTX...CLE...ILN...PBZ...
&&
STATUS REPORT FOR WS 510
SEVERE WEATHER THREAT CONTINUES FOR THE FOLLOWING AREAS
INC003-033-087-113-151-252040-
IN
. INDIANA COUNTIES INCLUDED ARE
ALLEN DE KALB LAGRANGE
NOBLE STEUBEN
$$
MIC005-015-023-025-037-045-049-057-059-065-067-075-077-081-087-
091-093-099-115-117-125-145-147-149-151-155-157-159-161-163-
252040-
MI
. MICHIGAN COUNTIES INCLUDED ARE
ALLEGAN BARRY BRANCH
CALHOUN CLINTON EATON
GENESEE GRATIOT HILLSDALE
INGHAM IONIA JACKSON
KALAMAZOO KENT LAPEER
LENAWEE LIVINGSTON MACOMB
MONROE MONTCALM OAKLAND
SAGINAW ST. CLAIR ST. JOSEPH
SANILAC SHIAWASSEE TUSCOLA
VAN BUREN WASHTENAW WAYNE
$$
OHC003-005-007-011-013-019-029-031-033-035-039-041-043-051-055-
059-063-065-067-069-075-077-081-083-085-089-091-093-095-099-101-
103-107-111-117-119-121-123-125-133-137-139-143-147-149-151-153-
155-157-159-161-169-171-173-175-252040-
OH
. OHIO COUNTIES INCLUDED ARE
ALLEN ASHLAND ASHTABULA
AUGLAIZE BELMONT CARROLL
COLUMBIANA COSHOCTON CRAWFORD
CUYAHOGA DEFIANCE DELAWARE
ERIE FULTON GEAUGA
GUERNSEY HANCOCK HARDIN
HARRISON HENRY HOLMES
HURON JEFFERSON KNOX
LAKE LICKING LOGAN
LORAIN LUCAS MAHONING
MARION MEDINA MERCER
MONROE MORROW MUSKINGUM
NOBLE OTTAWA PAULDING
PORTAGE PUTNAM RICHLAND
SANDUSKY SENECA SHELBY
STARK SUMMIT TRUMBULL
TUSCARAWAS UNION VAN WERT
WAYNE WILLIAMS WOOD
WYANDOT
$$
PAC039-049-252040-
PA
. PENNSYLVANIA COUNTIES INCLUDED ARE
CRAWFORD ERIE
$$
LCZ422-423-460-LEZ142-143-144-145-146-147-148-149-162-163-164-165-
166-167-168-169-444-LHZ443-252040-
CW
. ADJACENT COASTAL WATERS INCLUDED ARE
ST. CLAIR RIVER
DETROIT RIVER
LAKE ST. CLAIR OPEN LAKE (U.S. PORTION)
MAUMEE BAY TO RENO BEACH OH
RENO BEACH TO THE ISLANDS OH
THE ISLANDS TO VERMILION OH
VERMILION TO AVON POINT OH
AVON POINT TO WILLOWICK OH
WILLOWICK TO GENEVA-ON-THE LAKE OH
GENEVA-ON-THE-LAKE TO CONNEAUT OH
CONNEAUT OH TO RIPLEY NY
DETROIT RIVER LT. TO MAUMEE BAY OH TO RENO BEACH OH BEYOND 5NM
OFFSHORE TO US/CANADIAN BORDER
RENO BEACH TO THE ISLANDS OH BEYOND 5NM OFF SHORE TO US/CANADIAN
BORDER
THE ISLANDS TO VERMILION OH BEYOND 5NM OFF SHORE TO US/CANADIAN
BORDER
VERMILION TO AVON POINT OH BEYOND 5NM OFF SHORE TO US/CANADIAN
BORDER
AVON POINT TO WILLOWICK OH BEYOND 5NM OFF SHORE TO US/CANADIAN
BORDER
WILLOWICK TO GENEVA-ON-THE-LAKE OH BEYOND 5NM OFF SHORELINE TO
US/CANADIAN BORDER
GENEVA-ON-THE-LAKE TO CONNEAUT OH BEYOND 5NM OFF SHORE TO
US/CANADIAN BORDER
CONNEAUT OH TO RIPLEY NY BEYOND 5NM OFF SHORE TO US/CANADIAN
BORDER
MICHIGAN WATERS OF LAKE ERIE FROM DETROIT RIVER TO NORTH CAPE MI
PORT SANILAC TO PORT HURON MI
$$
THE WATCH STATUS MESSAGE IS FOR GUIDANCE PURPOSES ONLY. PLEASE
REFER TO WATCH COUNTY NOTIFICATION STATEMENTS FOR OFFICIAL
INFORMATION ON COUNTIES...INDEPENDENT CITIES AND MARINE ZONES
CLEARED FROM SEVERE THUNDERSTORM AND TORNADO WATCHES.
$$
Note:
Click for Complete Product Text.
Tornadoes
Probability of 2 or more tornadoes
|
Low (20%)
|
Probability of 1 or more strong (F2-F5) tornadoes
|
Low (5%)
|
Wind
Probability of 10 or more severe wind events
|
Mod (60%)
|
Probability of 1 or more wind events > 65 knots
|
Mod (30%)
|
Hail
Probability of 10 or more severe hail events
|
High (70%)
|
Probability
of 1 or
more hailstones > 2 inches
|
Low (20%)
|
Combined Severe Hail/Wind
Probability of 6 or more combined severe hail/wind events
|
High (>95%)
|
For each watch, probabilities for particular events inside the watch
(listed above in each table) are determined by the issuing forecaster.
The "Low" category contains probability values ranging from less than 2%
to 20% (F2-F5 tornadoes), less than 5% to 20% (all other probabilities),
"Moderate" from 30% to 60%, and "High" from 70% to greater than 95%.
High values are bolded and lighter in color to provide awareness of
an increased threat for a particular event.