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Watch Status Reports.
SEL1
URGENT - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WATCH NUMBER 661
NWS STORM PREDICTION CENTER NORMAN OK
305 PM CDT SUN JUL 6 2008
THE NWS STORM PREDICTION CENTER HAS ISSUED A
SEVERE THUNDERSTORM WATCH FOR PORTIONS OF
NORTHWEST AND NORTH CENTRAL IOWA
SOUTHERN MINNESOTA
NORTHEAST NEBRASKA
FAR SOUTHEAST SOUTH DAKOTA
EFFECTIVE THIS SUNDAY AFTERNOON AND EVENING FROM 305 PM UNTIL
1000 PM CDT.
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 60
STATUTE MILES NORTH AND SOUTH OF A LINE FROM 30 MILES NORTHWEST
OF NORFOLK NEBRASKA TO 50 MILES EAST SOUTHEAST OF MANKATO
MINNESOTA. FOR A COMPLETE DEPICTION OF THE WATCH SEE THE
ASSOCIATED WATCH OUTLINE UPDATE (WOUS64 KWNS WOU1).
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 660...
DISCUSSION...SUBTLE MID LEVEL IMPULSE WILL CONTINUE TO INCREASE
ASCENT AND THUNDERSTORM COVERAGE ALONG AXIS OF VERY STRONG
INSTABILITY ACROSS WW THIS AFTERNOON. SHEAR REMAINS MODEST...BUT
STILL SUFFICIENT FOR ORGANIZED CLUSTERS/LINES AND POSSIBLY AN
ISOLATED SUPERCELL AS ACTIVITY SPREADS GENERALLY NEWD THROUGH THE
EVENING. LARGE HAIL AND DAMAGING WINDS WILL BE PRIMARY SEVERE
THREATS.
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 25020.
...EVANS
Note:
The Aviation Watch (SAW) product is an approximation to the watch area.
The actual watch is depicted by the shaded areas.
SAW1
WW 661 SEVERE TSTM IA MN NE SD 062005Z - 070300Z
AXIS..60 STATUTE MILES NORTH AND SOUTH OF LINE..
30NW OFK/NORFOLK NE/ - 50ESE MKT/MANKATO MN/
..AVIATION COORDS.. 50NM N/S /39ESE ONL - 53NNE MCW/
HAIL SURFACE AND ALOFT..2 INCHES. WIND GUSTS..60 KNOTS.
MAX TOPS TO 500. MEAN STORM MOTION VECTOR 25020.
LAT...LON 43159784 44819298 43069298 41419784
THIS IS AN APPROXIMATION TO THE WATCH AREA. FOR A
COMPLETE DEPICTION OF THE WATCH SEE WOUS64 KWNS
FOR WOU1.
Watch 661 Status Report Messages:
STATUS REPORT #4 ON WW 661
VALID 070055Z - 070140Z
SEVERE WEATHER THREAT CONTINUES RIGHT OF A LINE FROM 30 NNE MCW
TO 30 NNW MCW TO 20 SW MSP.
FOR ADDITIONAL INFORMATION SEE MESOSCALE DISCUSSION 1704
..SPC..07/07/08
ATTN...WFO...FSD...DMX...OAX...MPX...
&&
STATUS REPORT FOR WS 661
SEVERE WEATHER THREAT CONTINUES FOR THE FOLLOWING AREAS
MNC047-049-131-147-070140-
MN
. MINNESOTA COUNTIES INCLUDED ARE
FREEBORN GOODHUE RICE
STEELE
$$
THE WATCH STATUS MESSAGE IS FOR GUIDANCE PURPOSES ONLY. PLEASE
REFER TO WATCH COUNTY NOTIFICATION STATEMENTS FOR OFFICIAL
INFORMATION ON COUNTIES...INDEPENDENT CITIES AND MARINE ZONES
CLEARED FROM SEVERE THUNDERSTORM AND TORNADO WATCHES.
$$
STATUS REPORT #3 ON WW 661
VALID 070000Z - 070140Z
SEVERE WEATHER THREAT CONTINUES RIGHT OF A LINE FROM 20 SSW MCW
TO 35 W MCW TO 20 NNW MKT.
FOR ADDITIONAL INFORMATION SEE MESOSCALE DISCUSSION 1704
..SPC..07/06/08
ATTN...WFO...FSD...DMX...OAX...MPX...
&&
STATUS REPORT FOR WS 661
SEVERE WEATHER THREAT CONTINUES FOR THE FOLLOWING AREAS
IAC033-081-189-195-070140-
IA
. IOWA COUNTIES INCLUDED ARE
CERRO GORDO HANCOCK WINNEBAGO
WORTH
$$
MNC013-043-047-049-079-103-131-143-147-161-070140-
MN
. MINNESOTA COUNTIES INCLUDED ARE
BLUE EARTH FARIBAULT FREEBORN
GOODHUE LE SUEUR NICOLLET
RICE SIBLEY STEELE
WASECA
$$
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.
$$
STATUS REPORT #2 ON WW 661
VALID 062300Z - 070040Z
SEVERE WEATHER THREAT CONTINUES RIGHT OF A LINE FROM 15 N TQE TO
10 ENE FSD.
..SPC..07/06/08
ATTN...WFO...FSD...DMX...OAX...MPX...
&&
STATUS REPORT FOR WS 661
SEVERE WEATHER THREAT CONTINUES FOR THE FOLLOWING AREAS
IAC009-013-017-021-023-025-027-033-035-041-047-059-063-069-073-
075-077-079-081-083-085-091-093-109-133-141-143-147-149-151-161-
165-167-187-189-193-195-197-070040-
IA
. IOWA COUNTIES INCLUDED ARE
AUDUBON BLACK HAWK BREMER
BUENA VISTA BUTLER CALHOUN
CARROLL CERRO GORDO CHEROKEE
CLAY CRAWFORD DICKINSON
EMMET FRANKLIN GREENE
GRUNDY GUTHRIE HAMILTON
HANCOCK HARDIN HARRISON
HUMBOLDT IDA KOSSUTH
MONONA O'BRIEN OSCEOLA
PALO ALTO PLYMOUTH POCAHONTAS
SAC SHELBY SIOUX
WEBSTER WINNEBAGO WOODBURY
WORTH WRIGHT
$$
MNC013-015-033-043-047-049-063-079-091-103-131-143-147-161-165-
070040-
MN
. MINNESOTA COUNTIES INCLUDED ARE
BLUE EARTH BROWN COTTONWOOD
FARIBAULT FREEBORN GOODHUE
JACKSON LE SUEUR MARTIN
NICOLLET RICE SIBLEY
STEELE WASECA WATONWAN
$$
THE WATCH STATUS MESSAGE IS FOR GUIDANCE PURPOSES ONLY. PLEASE
REFER TO WATCH COUNTY NOTIFICATION STATEMENTS FOR OFFICIAL
INFORMATION ON COUNTIES...INDEPENDENT CITIES AND MARINE ZONES
CLEARED FROM SEVERE THUNDERSTORM AND TORNADO WATCHES.
$$
STATUS REPORT #1 ON WW 661
VALID 062155Z - 062240Z
SEVERE WEATHER THREAT CONTINUES RIGHT OF A LINE FROM 20 NE OLU TO
10 WSW FSD.
..SPC..07/06/08
ATTN...WFO...FSD...DMX...OAX...MPX...
&&
STATUS REPORT FOR WS 661
SEVERE WEATHER THREAT CONTINUES FOR THE FOLLOWING AREAS
IAC021-025-033-035-041-047-059-063-081-091-093-109-133-141-143-
147-149-151-161-167-189-193-195-062240-
IA
. IOWA COUNTIES INCLUDED ARE
BUENA VISTA CALHOUN CERRO GORDO
CHEROKEE CLAY CRAWFORD
DICKINSON EMMET HANCOCK
HUMBOLDT IDA KOSSUTH
MONONA O'BRIEN OSCEOLA
PALO ALTO PLYMOUTH POCAHONTAS
SAC SIOUX WINNEBAGO
WOODBURY WORTH
$$
MNC013-015-033-043-047-049-063-079-091-103-131-143-147-161-165-
062240-
MN
. MINNESOTA COUNTIES INCLUDED ARE
BLUE EARTH BROWN COTTONWOOD
FARIBAULT FREEBORN GOODHUE
JACKSON LE SUEUR MARTIN
NICOLLET RICE SIBLEY
STEELE WASECA WATONWAN
$$
NEC021-039-043-051-173-062240-
NE
. NEBRASKA COUNTIES INCLUDED ARE
BURT CUMING DAKOTA
DIXON THURSTON
$$
SDC127-062240-
SD
. SOUTH DAKOTA COUNTIES INCLUDED ARE
UNION
$$
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 (<5%)
|
Probability of 1 or more strong (F2-F5) tornadoes
|
Low (<2%)
|
Wind
Probability of 10 or more severe wind events
|
Mod (50%)
|
Probability of 1 or more wind events > 65 knots
|
Mod (30%)
|
Hail
Probability of 10 or more severe hail events
|
Mod (50%)
|
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 (90%)
|
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.
weather.gov 
