Note:
The expiration time in the watch graphic is amended if the watch is
replaced, cancelled or extended.
Note: Click for
Watch Status Reports.
SEL1
URGENT - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Watch Number 321
NWS Storm Prediction Center Norman OK
1125 PM CDT Tue Jun 30 2020
The NWS Storm Prediction Center has issued a
* Severe Thunderstorm Watch for portions of
Western Iowa
Northeast Kansas
Northwest Missouri
Eastern Nebraska
* Effective this Tuesday night and Wednesday morning from 1125 PM
until 600 AM CDT.
* Primary threats include...
Scattered damaging wind gusts to 70 mph possible
Isolated large hail events to 1.5 inches in diameter possible
A tornado or two possible
SUMMARY...A well-organized cluster of eastward-moving storms will
pose a damaging wind/some hail risk into the overnight.
The severe thunderstorm watch area is approximately along and 50
statute miles east and west of a line from 10 miles north of Tekamah
NE to 15 miles south of Falls City NE. For a complete depiction of
the watch see the associated watch outline update (WOUS64 KWNS
WOU1).
PRECAUTIONARY/PREPAREDNESS ACTIONS...
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 319...WW 320...
AVIATION...A few severe thunderstorms with hail surface and aloft to
1.5 inches. Extreme turbulence and surface wind gusts to 60 knots. A
few cumulonimbi with maximum tops to 600. Mean storm motion vector
27025.
...Guyer
Note:
The Aviation Watch (SAW) product is an approximation to the watch area.
The actual watch is depicted by the shaded areas.
SAW1
WW 321 SEVERE TSTM IA KS MO NE 010425Z - 011100Z
AXIS..50 STATUTE MILES EAST AND WEST OF LINE..
10N TQE/TEKAMAH NE/ - 15S FNB/FALLS CITY NE/
..AVIATION COORDS.. 45NM E/W /49NNW OVR - 35SE PWE/
HAIL SURFACE AND ALOFT..1.5 INCHES. WIND GUSTS..60 KNOTS.
MAX TOPS TO 600. MEAN STORM MOTION VECTOR 27025.
LAT...LON 41919520 39849466 39849654 41919714
THIS IS AN APPROXIMATION TO THE WATCH AREA. FOR A
COMPLETE DEPICTION OF THE WATCH SEE WOUS64 KWNS
FOR WOU1.
Watch 321 Status Report Messages:
STATUS REPORT #6 ON WW 321
VALID 011030Z - 011140Z
SEVERE WEATHER THREAT CONTINUES RIGHT OF A LINE FROM 25 ESE TOP
TO 15 NW OJC TO 25 ENE FLV TO 25 ENE STJ.
..GLEASON..07/01/20
ATTN...WFO...OAX...TOP...EAX...
&&
STATUS REPORT FOR WS 321
SEVERE WEATHER THREAT CONTINUES FOR THE FOLLOWING AREAS
KSC091-209-011140-
KS
. KANSAS COUNTIES INCLUDED ARE
JOHNSON WYANDOTTE
$$
MOC047-049-095-165-177-011140-
MO
. MISSOURI COUNTIES INCLUDED ARE
CLAY CLINTON JACKSON
PLATTE RAY
$$
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.
$$
STATUS REPORT #5 ON WW 321
VALID 010925Z - 011040Z
SEVERE WEATHER THREAT CONTINUES RIGHT OF A LINE FROM 35 S FNB TO
10 WSW STJ TO 35 NE STJ.
FOR ADDITIONAL INFORMATION SEE MESOSCALE DISCUSSION 1067
..GLEASON..07/01/20
ATTN...WFO...OAX...TOP...EAX...
&&
STATUS REPORT FOR WS 321
SEVERE WEATHER THREAT CONTINUES FOR THE FOLLOWING AREAS
KSC005-043-091-103-209-011040-
KS
. KANSAS COUNTIES INCLUDED ARE
ATCHISON DONIPHAN JOHNSON
LEAVENWORTH WYANDOTTE
$$
MOC003-021-047-049-095-165-177-011040-
MO
. MISSOURI COUNTIES INCLUDED ARE
ANDREW BUCHANAN CLAY
CLINTON JACKSON PLATTE
RAY
$$
THE WATCH STATUS MESSAGE IS FOR GUIDANCE PURPOSES ONLY. PLEASE
REFER TO WATCH COUNTY NOTIFICATION STATEMENTS FOR OFFICIAL
INFORMATION ON COUNTIES...INDEPENDENT CITIES AND MARINE ZONES
CLEARED FROM SEVERE THUNDERSTORM AND TORNADO WATCHES.
$$
STATUS REPORT #4 ON WW 321
VALID 010830Z - 010940Z
SEVERE WEATHER THREAT CONTINUES RIGHT OF A LINE FROM 40 SSE BIE
TO 10 ESE FNB TO 30 E SDA.
..GLEASON..07/01/20
ATTN...WFO...OAX...TOP...EAX...
&&
STATUS REPORT FOR WS 321
SEVERE WEATHER THREAT CONTINUES FOR THE FOLLOWING AREAS
KSC013-043-010940-
KS
. KANSAS COUNTIES INCLUDED ARE
BROWN DONIPHAN
$$
MOC003-021-087-147-010940-
MO
. MISSOURI COUNTIES INCLUDED ARE
ANDREW BUCHANAN HOLT
NODAWAY
$$
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.
$$
STATUS REPORT #3 ON WW 321
VALID 010740Z - 010840Z
SEVERE WEATHER THREAT CONTINUES RIGHT OF A LINE FROM 15 WNW LNK
TO 15 ENE LNK TO 25 NE BIE TO 25 SW SDA TO 15 SE SDA TO 35 ENE
SDA.
FOR ADDITIONAL INFORMATION SEE MESOSCALE DISCUSSION 1066
..GLEASON..07/01/20
ATTN...WFO...OAX...TOP...EAX...
&&
STATUS REPORT FOR WS 321
SEVERE WEATHER THREAT CONTINUES FOR THE FOLLOWING AREAS
IAC145-010840-
IA
. IOWA COUNTIES INCLUDED ARE
PAGE
$$
KSC013-043-010840-
KS
. KANSAS COUNTIES INCLUDED ARE
BROWN DONIPHAN
$$
MOC003-005-021-087-147-010840-
MO
. MISSOURI COUNTIES INCLUDED ARE
ANDREW ATCHISON BUCHANAN
HOLT NODAWAY
$$
NEC067-095-097-109-127-133-147-010840-
NE
. NEBRASKA COUNTIES INCLUDED ARE
GAGE JEFFERSON JOHNSON
LANCASTER NEMAHA PAWNEE
RICHARDSON
$$
THE WATCH STATUS MESSAGE IS FOR GUIDANCE PURPOSES ONLY. PLEASE
REFER TO WATCH COUNTY NOTIFICATION STATEMENTS FOR OFFICIAL
INFORMATION ON COUNTIES...INDEPENDENT CITIES AND MARINE ZONES
CLEARED FROM SEVERE THUNDERSTORM AND TORNADO WATCHES.
$$
STATUS REPORT #2 ON WW 321
VALID 010635Z - 010740Z
SEVERE WEATHER THREAT CONTINUES RIGHT OF A LINE FROM 15 WNW LNK
TO 25 SSW OMA TO 15 S OMA TO 25 ESE SUX.
..GLEASON..07/01/20
ATTN...WFO...OAX...TOP...EAX...
&&
STATUS REPORT FOR WS 321
SEVERE WEATHER THREAT CONTINUES FOR THE FOLLOWING AREAS
IAC071-085-129-133-137-145-155-165-010740-
IA
. IOWA COUNTIES INCLUDED ARE
FREMONT HARRISON MILLS
MONONA MONTGOMERY PAGE
POTTAWATTAMIE SHELBY
$$
KSC013-043-010740-
KS
. KANSAS COUNTIES INCLUDED ARE
BROWN DONIPHAN
$$
MOC003-005-021-087-147-010740-
MO
. MISSOURI COUNTIES INCLUDED ARE
ANDREW ATCHISON BUCHANAN
HOLT NODAWAY
$$
NEC025-067-095-097-109-127-131-133-147-010740-
NE
. NEBRASKA COUNTIES INCLUDED ARE
CASS GAGE JEFFERSON
JOHNSON LANCASTER NEMAHA
OTOE PAWNEE RICHARDSON
$$
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.
$$
STATUS REPORT #1 ON WW 321
VALID 010540Z - 010640Z
SEVERE WEATHER THREAT CONTINUES RIGHT OF A LINE FROM 20 NNW LNK
TO 30 W OMA TO 25 S SUX.
..GLEASON..07/01/20
ATTN...WFO...OAX...TOP...EAX...
&&
STATUS REPORT FOR WS 321
SEVERE WEATHER THREAT CONTINUES FOR THE FOLLOWING AREAS
IAC071-085-129-133-137-145-155-165-010640-
IA
. IOWA COUNTIES INCLUDED ARE
FREMONT HARRISON MILLS
MONONA MONTGOMERY PAGE
POTTAWATTAMIE SHELBY
$$
KSC013-043-010640-
KS
. KANSAS COUNTIES INCLUDED ARE
BROWN DONIPHAN
$$
MOC003-005-021-087-147-010640-
MO
. MISSOURI COUNTIES INCLUDED ARE
ANDREW ATCHISON BUCHANAN
HOLT NODAWAY
$$
NEC021-025-055-067-095-097-109-127-131-133-147-153-155-177-
010640-
NE
. NEBRASKA COUNTIES INCLUDED ARE
BURT CASS DOUGLAS
GAGE JEFFERSON JOHNSON
LANCASTER NEMAHA OTOE
PAWNEE RICHARDSON SARPY
SAUNDERS WASHINGTON
$$
THE WATCH STATUS MESSAGE IS FOR GUIDANCE PURPOSES ONLY. PLEASE
REFER TO WATCH COUNTY NOTIFICATION STATEMENTS FOR OFFICIAL
INFORMATION ON COUNTIES...INDEPENDENT CITIES AND MARINE ZONES
CLEARED FROM SEVERE THUNDERSTORM AND TORNADO WATCHES.
$$
Note:
Click for Complete Product Text.
Tornadoes
Probability of 2 or more tornadoes
|
Low (20%)
|
Probability of 1 or more strong (EF2-EF5) tornadoes
|
Low (<2%)
|
Wind
Probability of 10 or more severe wind events
|
Mod (40%)
|
Probability of 1 or more wind events > 65 knots
|
Low (10%)
|
Hail
Probability of 10 or more severe hail events
|
Low (20%)
|
Probability of 1 or more hailstones > 2 inches
|
Low (<5%)
|
Combined Severe Hail/Wind
Probability of 6 or more combined severe hail/wind events
|
Mod (60%)
|
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% (EF2-EF5 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.
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