Note:
The expiration time in the watch graphic is amended if the watch is
replaced, cancelled or extended.
Note: Click for
Watch Status Reports.
SEL2
URGENT - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Watch Number 392
NWS Storm Prediction Center Norman OK
135 PM MDT Tue Jul 21 2020
The NWS Storm Prediction Center has issued a
* Severe Thunderstorm Watch for portions of
East Central and Northeast Colorado
Nebraska Panhandle
Eastern Wyoming
* Effective this Tuesday afternoon and evening from 135 PM until
900 PM MDT.
* Primary threats include...
Scattered large hail likely with isolated very large hail events
to 2 inches in diameter possible
Scattered damaging wind gusts to 70 mph likely
SUMMARY...Thunderstorms are beginning to form over the foothills of
central Colorado, and will develop soon farther north into Wyoming.
A few severe storms are expected this afternoon and evening, posing
a risk of large hail and damaging wind gusts.
The severe thunderstorm watch area is approximately along and 55
statute miles east and west of a line from 45 miles north northeast
of Douglas WY to 20 miles west of La Junta CO. For a complete
depiction of the watch see the associated watch outline update
(WOUS64 KWNS WOU2).
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 391...
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
27025.
...Hart
SEL2
URGENT - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Watch Number 392
NWS Storm Prediction Center Norman OK
135 PM MDT Tue Jul 21 2020
The NWS Storm Prediction Center has issued a
* Severe Thunderstorm Watch for portions of
East Central and Northeast Colorado
Nebraska Panhandle
Eastern Wyoming
* Effective this Tuesday afternoon and evening from 135 PM until
900 PM MDT.
* Primary threats include...
Scattered large hail likely with isolated very large hail events
to 2 inches in diameter possible
Scattered damaging wind gusts to 70 mph likely
SUMMARY...Thunderstorms are beginning to form over the foothills of
central Colorado, and will develop soon farther north into Wyoming.
A few severe storms are expected this afternoon and evening, posing
a risk of large hail and damaging wind gusts.
The severe thunderstorm watch area is approximately along and 55
statute miles east and west of a line from 45 miles north northeast
of Douglas WY to 20 miles west of La Junta CO. For a complete
depiction of the watch see the associated watch outline update
(WOUS64 KWNS WOU2).
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 391...
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
27025.
...Hart
Note:
The Aviation Watch (SAW) product is an approximation to the watch area.
The actual watch is depicted by the shaded areas.
SAW2
WW 392 SEVERE TSTM CO NE WY 211935Z - 220300Z
AXIS..55 STATUTE MILES EAST AND WEST OF LINE..
45NNE DGW/DOUGLAS WY/ - 20W LHX/LA JUNTA CO/
..AVIATION COORDS.. 50NM E/W /57ENE DDY - 30ESE PUB/
HAIL SURFACE AND ALOFT..2 INCHES. WIND GUSTS..60 KNOTS.
MAX TOPS TO 500. MEAN STORM MOTION VECTOR 27025.
LAT...LON 43350393 38040288 38040490 43350612
THIS IS AN APPROXIMATION TO THE WATCH AREA. FOR A
COMPLETE DEPICTION OF THE WATCH SEE WOUS64 KWNS
FOR WOU2.
Watch 392 Status Report Messages:
STATUS REPORT #6 ON WW 392
VALID 220240Z - 220340Z
SEVERE WEATHER THREAT CONTINUES RIGHT OF A LINE FROM 35 E LIC TO
35 WSW AKO TO 20 N FCL TO 25 WSW LAR TO 35 NNW LAR TO 30 SW TOR
TO 20 ENE BFF.
..COOK..07/22/20
ATTN...WFO...BOU...PUB...CYS...
&&
STATUS REPORT FOR WS 392
SEVERE WEATHER THREAT CONTINUES FOR THE FOLLOWING AREAS
COC075-087-121-123-220340-
CO
. COLORADO COUNTIES INCLUDED ARE
LOGAN MORGAN WASHINGTON
WELD
$$
NEC007-033-105-123-220340-
NE
. NEBRASKA COUNTIES INCLUDED ARE
BANNER CHEYENNE KIMBALL
MORRILL
$$
WYC001-021-220340-
WY
. WYOMING COUNTIES INCLUDED ARE
ALBANY LARAMIE
$$
THE WATCH STATUS MESSAGE IS FOR GUIDANCE PURPOSES ONLY. PLEASE
REFER TO WATCH COUNTY NOTIFICATION STATEMENTS FOR OFFICIAL
INFORMATION ON COUNTIES...INDEPENDENT CITIES AND MARINE ZONES
CLEARED FROM SEVERE THUNDERSTORM AND TORNADO WATCHES.
$$
STATUS REPORT #5 ON WW 392
VALID 220145Z - 220240Z
SEVERE WEATHER THREAT CONTINUES RIGHT OF A LINE FROM 35 SSE PUB
TO 40 SSW LIC TO 10 NNE LIC TO 30 WSW AKO TO 20 ENE FCL TO 15 SSW
LAR TO 35 W LAR.
FOR ADDITIONAL INFORMATION SEE MESOSCALE DISCUSSION 1308
..COOK..07/22/20
ATTN...WFO...BOU...PUB...CYS...
&&
STATUS REPORT FOR WS 392
SEVERE WEATHER THREAT CONTINUES FOR THE FOLLOWING AREAS
COC025-073-075-087-089-121-123-220240-
CO
. COLORADO COUNTIES INCLUDED ARE
CROWLEY LINCOLN LOGAN
MORGAN OTERO WASHINGTON
WELD
$$
NEC007-033-105-123-157-165-220240-
NE
. NEBRASKA COUNTIES INCLUDED ARE
BANNER CHEYENNE KIMBALL
MORRILL SCOTTS BLUFF SIOUX
$$
WYC001-009-015-021-027-031-220240-
WY
. WYOMING COUNTIES INCLUDED ARE
ALBANY CONVERSE GOSHEN
LARAMIE NIOBRARA PLATTE
$$
THE WATCH STATUS MESSAGE IS FOR GUIDANCE PURPOSES ONLY. PLEASE
REFER TO WATCH COUNTY NOTIFICATION STATEMENTS FOR OFFICIAL
INFORMATION ON COUNTIES...INDEPENDENT CITIES AND MARINE ZONES
CLEARED FROM SEVERE THUNDERSTORM AND TORNADO WATCHES.
$$
STATUS REPORT #4 ON WW 392
VALID 220040Z - 220140Z
SEVERE WEATHER THREAT CONTINUES RIGHT OF A LINE FROM 35 WNW PUB
TO 10 N PUB TO 40 NE PUB TO 5 SSW LIC TO 40 SW AKO TO 45 ENE DEN
TO 15 S FCL TO 45 W FCL.
..COOK..07/22/20
ATTN...WFO...BOU...PUB...CYS...
&&
STATUS REPORT FOR WS 392
SEVERE WEATHER THREAT CONTINUES FOR THE FOLLOWING AREAS
COC025-069-073-075-087-089-101-121-123-220140-
CO
. COLORADO COUNTIES INCLUDED ARE
CROWLEY LARIMER LINCOLN
LOGAN MORGAN OTERO
PUEBLO WASHINGTON WELD
$$
NEC007-033-105-123-157-165-220140-
NE
. NEBRASKA COUNTIES INCLUDED ARE
BANNER CHEYENNE KIMBALL
MORRILL SCOTTS BLUFF SIOUX
$$
WYC001-009-015-021-027-031-220140-
WY
. WYOMING COUNTIES INCLUDED ARE
ALBANY CONVERSE GOSHEN
LARAMIE NIOBRARA PLATTE
$$
THE WATCH STATUS MESSAGE IS FOR GUIDANCE PURPOSES ONLY. PLEASE
REFER TO WATCH COUNTY NOTIFICATION STATEMENTS FOR OFFICIAL
INFORMATION ON COUNTIES...INDEPENDENT CITIES AND MARINE ZONES
CLEARED FROM SEVERE THUNDERSTORM AND TORNADO WATCHES.
$$
STATUS REPORT #3 ON WW 392
VALID 212345Z - 220040Z
THE SEVERE WEATHER THREAT CONTINUES ACROSS THE ENTIRE WATCH AREA.
FOR ADDITIONAL INFORMATION SEE MESOSCALE DISCUSSION 1307
..COOK..07/21/20
ATTN...WFO...BOU...PUB...CYS...
&&
STATUS REPORT FOR WS 392
SEVERE WEATHER THREAT CONTINUES FOR THE FOLLOWING AREAS
COC001-005-013-014-025-031-035-039-041-059-069-073-075-087-089-
101-119-121-123-220040-
CO
. COLORADO COUNTIES INCLUDED ARE
ADAMS ARAPAHOE BOULDER
BROOMFIELD CROWLEY DENVER
DOUGLAS ELBERT EL PASO
JEFFERSON LARIMER LINCOLN
LOGAN MORGAN OTERO
PUEBLO TELLER WASHINGTON
WELD
$$
NEC007-033-105-123-157-165-220040-
NE
. NEBRASKA COUNTIES INCLUDED ARE
BANNER CHEYENNE KIMBALL
MORRILL SCOTTS BLUFF SIOUX
$$
WYC001-009-015-021-027-031-220040-
WY
. WYOMING COUNTIES INCLUDED ARE
ALBANY CONVERSE GOSHEN
LARAMIE NIOBRARA PLATTE
$$
THE WATCH STATUS MESSAGE IS FOR GUIDANCE PURPOSES ONLY. PLEASE
REFER TO WATCH COUNTY NOTIFICATION STATEMENTS FOR OFFICIAL
INFORMATION ON COUNTIES...INDEPENDENT CITIES AND MARINE ZONES
CLEARED FROM SEVERE THUNDERSTORM AND TORNADO WATCHES.
$$
STATUS REPORT #2 ON WW 392
VALID 212245Z - 212340Z
THE SEVERE WEATHER THREAT CONTINUES ACROSS THE ENTIRE WATCH AREA.
..COOK..07/21/20
ATTN...WFO...BOU...PUB...CYS...
&&
STATUS REPORT FOR WS 392
SEVERE WEATHER THREAT CONTINUES FOR THE FOLLOWING AREAS
COC001-005-013-014-025-031-035-039-041-059-069-073-075-087-089-
101-119-121-123-212340-
CO
. COLORADO COUNTIES INCLUDED ARE
ADAMS ARAPAHOE BOULDER
BROOMFIELD CROWLEY DENVER
DOUGLAS ELBERT EL PASO
JEFFERSON LARIMER LINCOLN
LOGAN MORGAN OTERO
PUEBLO TELLER WASHINGTON
WELD
$$
NEC007-033-105-123-157-165-212340-
NE
. NEBRASKA COUNTIES INCLUDED ARE
BANNER CHEYENNE KIMBALL
MORRILL SCOTTS BLUFF SIOUX
$$
WYC001-009-015-021-027-031-212340-
WY
. WYOMING COUNTIES INCLUDED ARE
ALBANY CONVERSE GOSHEN
LARAMIE NIOBRARA PLATTE
$$
THE WATCH STATUS MESSAGE IS FOR GUIDANCE PURPOSES ONLY. PLEASE
REFER TO WATCH COUNTY NOTIFICATION STATEMENTS FOR OFFICIAL
INFORMATION ON COUNTIES...INDEPENDENT CITIES AND MARINE ZONES
CLEARED FROM SEVERE THUNDERSTORM AND TORNADO WATCHES.
$$
STATUS REPORT #1 ON WW 392
VALID 212150Z - 212240Z
THE SEVERE WEATHER THREAT CONTINUES ACROSS THE ENTIRE WATCH AREA.
..COOK..07/21/20
ATTN...WFO...BOU...PUB...CYS...
&&
STATUS REPORT FOR WS 392
SEVERE WEATHER THREAT CONTINUES FOR THE FOLLOWING AREAS
COC001-005-013-014-025-031-035-039-041-059-069-073-075-087-089-
101-119-121-123-212240-
CO
. COLORADO COUNTIES INCLUDED ARE
ADAMS ARAPAHOE BOULDER
BROOMFIELD CROWLEY DENVER
DOUGLAS ELBERT EL PASO
JEFFERSON LARIMER LINCOLN
LOGAN MORGAN OTERO
PUEBLO TELLER WASHINGTON
WELD
$$
NEC007-033-105-123-157-165-212240-
NE
. NEBRASKA COUNTIES INCLUDED ARE
BANNER CHEYENNE KIMBALL
MORRILL SCOTTS BLUFF SIOUX
$$
WYC001-009-015-021-027-031-212240-
WY
. WYOMING COUNTIES INCLUDED ARE
ALBANY CONVERSE GOSHEN
LARAMIE NIOBRARA PLATTE
$$
THE WATCH STATUS MESSAGE IS FOR GUIDANCE PURPOSES ONLY. PLEASE
REFER TO WATCH COUNTY NOTIFICATION STATEMENTS FOR OFFICIAL
INFORMATION ON COUNTIES...INDEPENDENT CITIES AND MARINE ZONES
CLEARED FROM SEVERE THUNDERSTORM AND TORNADO WATCHES.
$$
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 (60%)
|
Probability of 1 or more wind events > 65 knots
|
Low (20%)
|
Hail
Probability of 10 or more severe hail events
|
Mod (60%)
|
Probability of 1 or more hailstones > 2 inches
|
Mod (30%)
|
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% (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.