Note:
The expiration time in the watch graphic is amended if the watch is
replaced, cancelled or extended.
Note: Click for
Watch Status Reports.
SEL9
URGENT - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Watch Number 239
NWS Storm Prediction Center Norman OK
140 PM MDT Wed May 18 2022
The NWS Storm Prediction Center has issued a
* Severe Thunderstorm Watch for portions of
Southeast Colorado
Northwest Kansas
* Effective this Wednesday afternoon and evening from 140 PM
until 800 PM MDT.
* Primary threats include...
Scattered damaging winds and isolated significant gusts to 75
mph possible
Isolated large hail events to 1.5 inches in diameter possible
SUMMARY...Initial discrete cells will pose a risk for isolated
severe hail and wind. Activity should grow upscale into a
southeast-moving cluster with severe wind the primary hazard.
The severe thunderstorm watch area is approximately along and 80
statute miles east and west of a line from 35 miles northwest of
Burlington CO to 40 miles east southeast of Trinidad CO. For a
complete depiction of the watch see the associated watch outline
update (WOUS64 KWNS WOU9).
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 238...
AVIATION...A few severe thunderstorms with hail surface and aloft to
1.5 inches. Extreme turbulence and surface wind gusts to 65 knots. A
few cumulonimbi with maximum tops to 450. Mean storm motion vector
31025.
...Grams
Note:
The Aviation Watch (SAW) product is an approximation to the watch area.
The actual watch is depicted by the shaded areas.
SAW9
WW 239 SEVERE TSTM CO KS 181940Z - 190200Z
AXIS..80 STATUTE MILES EAST AND WEST OF LINE..
35NW ITR/BURLINGTON CO/ - 40ESE TAD/TRINIDAD CO/
..AVIATION COORDS.. 70NM E/W /39SSE AKO - 14SSW TBE/
HAIL SURFACE AND ALOFT..1.5 INCHES. WIND GUSTS..65 KNOTS.
MAX TOPS TO 450. MEAN STORM MOTION VECTOR 31025.
LAT...LON 39590124 37040221 37040511 39590425
THIS IS AN APPROXIMATION TO THE WATCH AREA. FOR A
COMPLETE DEPICTION OF THE WATCH SEE WOUS64 KWNS
FOR WOU9.
Watch 239 Status Report Messages:
STATUS REPORT #3 ON WW 239
VALID 190040Z - 190120Z
SEVERE WEATHER THREAT CONTINUES RIGHT OF A LINE FROM 30 WSW SPD
TO 15 NNE LAA TO 45 S GLD.
..SMITH..05/19/22
ATTN...WFO...PUB...GLD...BOU...
&&
STATUS REPORT FOR WS 239
SEVERE WEATHER THREAT CONTINUES FOR THE FOLLOWING AREAS
COC009-099-190120-
CO
. COLORADO COUNTIES INCLUDED ARE
BACA PROWERS
$$
KSC071-109-203-190120-
KS
. KANSAS COUNTIES INCLUDED ARE
GREELEY LOGAN WICHITA
$$
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.
$$
STATUS REPORT #2 ON WW 239
VALID 182340Z - 190040Z
SEVERE WEATHER THREAT CONTINUES RIGHT OF A LINE FROM 20 ESE TAD
TO 45 NNW LAA TO 30 SSE GLD.
..SMITH..05/18/22
ATTN...WFO...PUB...GLD...BOU...
&&
STATUS REPORT FOR WS 239
SEVERE WEATHER THREAT CONTINUES FOR THE FOLLOWING AREAS
COC009-011-017-061-071-089-099-190040-
CO
. COLORADO COUNTIES INCLUDED ARE
BACA BENT CHEYENNE
KIOWA LAS ANIMAS OTERO
PROWERS
$$
KSC071-109-199-203-190040-
KS
. KANSAS COUNTIES INCLUDED ARE
GREELEY LOGAN WALLACE
WICHITA
$$
THE WATCH STATUS MESSAGE IS FOR GUIDANCE PURPOSES ONLY. PLEASE
REFER TO WATCH COUNTY NOTIFICATION STATEMENTS FOR OFFICIAL
INFORMATION ON COUNTIES...INDEPENDENT CITIES AND MARINE ZONES
CLEARED FROM SEVERE THUNDERSTORM AND TORNADO WATCHES.
$$
STATUS REPORT #1 ON WW 239
VALID 182235Z - 182340Z
SEVERE WEATHER THREAT CONTINUES RIGHT OF A LINE FROM 20 NW PUB TO
30 SSW LIC TO 30 E GLD.
..SQUITIERI..05/18/22
ATTN...WFO...PUB...GLD...BOU...
&&
STATUS REPORT FOR WS 239
SEVERE WEATHER THREAT CONTINUES FOR THE FOLLOWING AREAS
COC009-011-017-025-061-071-073-089-099-101-182340-
CO
. COLORADO COUNTIES INCLUDED ARE
BACA BENT CHEYENNE
CROWLEY KIOWA LAS ANIMAS
LINCOLN OTERO PROWERS
PUEBLO
$$
KSC071-109-199-203-182340-
KS
. KANSAS COUNTIES INCLUDED ARE
GREELEY LOGAN WALLACE
WICHITA
$$
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 (10%)
|
Probability of 1 or more strong (EF2-EF5) tornadoes
|
Low (<2%)
|
Wind
Probability of 10 or more severe wind events
|
Mod (50%)
|
Probability of 1 or more wind events > 65 knots
|
Mod (40%)
|
Hail
Probability of 10 or more severe hail events
|
Low (20%)
|
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 (70%)
|
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.
weather.gov 
@NWSSPC
