Note:
The expiration time in the watch graphic is amended if the watch is
replaced, cancelled or extended.
Note: Click for
Watch Status Reports.
SEL7
URGENT - IMMEDIATE BROADCAST REQUESTED
Tornado Watch Number 207
NWS Storm Prediction Center Norman OK
255 PM CDT Wed May 10 2023
The NWS Storm Prediction Center has issued a
* Tornado Watch for portions of
Northeast and East-Central Colorado
Northwest Kansas
Southwest Nebraska
* Effective this Wednesday afternoon and evening from 255 PM
until 1000 PM CDT.
* Primary threats include...
A few tornadoes possible
Scattered large hail likely with isolated very large hail events
to 3 inches in diameter possible
Scattered damaging winds and isolated significant gusts to 75
mph possible
SUMMARY...Severe storms are expected to develop and increase this
afternoon, initially near the Colorado Front Range as well as
northwest Kansas along/north of a front. This will include
supercells capable of large hail and a few tornadoes, along with the
potential for damaging winds with storms on the High Plains of
eastern Colorado/northwest Kansas/southwest Nebraska.
The tornado watch area is approximately along and 70 statute miles
north and south of a line from 10 miles south southwest of Denver CO
to 40 miles east southeast of Mccook NE. For a complete depiction of
the watch see the associated watch outline update (WOUS64 KWNS
WOU7).
PRECAUTIONARY/PREPAREDNESS ACTIONS...
REMEMBER...A Tornado Watch means conditions are favorable for
tornadoes and 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.
&&
AVIATION...Tornadoes and a few severe thunderstorms with hail
surface and aloft to 3 inches. Extreme turbulence and surface wind
gusts to 65 knots. A few cumulonimbi with maximum tops to 500. Mean
storm motion vector 22020.
...Guyer
SEL7
URGENT - IMMEDIATE BROADCAST REQUESTED
Tornado Watch Number 207
NWS Storm Prediction Center Norman OK
255 PM CDT Wed May 10 2023
The NWS Storm Prediction Center has issued a
* Tornado Watch for portions of
Northeast and East-Central Colorado
Northwest Kansas
Southwest Nebraska
* Effective this Wednesday afternoon and evening from 255 PM
until 1000 PM CDT.
* Primary threats include...
A few tornadoes possible
Scattered large hail likely with isolated very large hail events
to 3 inches in diameter possible
Scattered damaging winds and isolated significant gusts to 75
mph possible
SUMMARY...Severe storms are expected to develop and increase this
afternoon, initially near the Colorado Front Range as well as
northwest Kansas along/north of a front. This will include
supercells capable of large hail and a few tornadoes, along with the
potential for damaging winds with storms on the High Plains of
eastern Colorado/northwest Kansas/southwest Nebraska.
The tornado watch area is approximately along and 70 statute miles
north and south of a line from 10 miles south southwest of Denver CO
to 40 miles east southeast of Mccook NE. For a complete depiction of
the watch see the associated watch outline update (WOUS64 KWNS
WOU7).
PRECAUTIONARY/PREPAREDNESS ACTIONS...
REMEMBER...A Tornado Watch means conditions are favorable for
tornadoes and 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.
&&
AVIATION...Tornadoes and a few severe thunderstorms with hail
surface and aloft to 3 inches. Extreme turbulence and surface wind
gusts to 65 knots. A few cumulonimbi with maximum tops to 500. Mean
storm motion vector 22020.
...Guyer
Note:
The Aviation Watch (SAW) product is an approximation to the watch area.
The actual watch is depicted by the shaded areas.
SAW7
WW 207 TORNADO CO KS NE 101955Z - 110300Z
AXIS..70 STATUTE MILES NORTH AND SOUTH OF LINE..
10SSW DEN/DENVER CO/ - 40ESE MCK/MCCOOK NE/
..AVIATION COORDS.. 60NM N/S /17SW DEN - 35ESE MCK/
HAIL SURFACE AND ALOFT..3 INCHES. WIND GUSTS..65 KNOTS.
MAX TOPS TO 500. MEAN STORM MOTION VECTOR 22020.
LAT...LON 40650495 40999988 38969988 38620495
THIS IS AN APPROXIMATION TO THE WATCH AREA. FOR A
COMPLETE DEPICTION OF THE WATCH SEE WOUS64 KWNS
FOR WOU7.
Watch 207 Status Report Messages:
STATUS REPORT #6 ON WW 207
VALID 110240Z - 110340Z
SEVERE WEATHER THREAT CONTINUES RIGHT OF A LINE FROM 25 S ITR TO
30 SW IML TO 35 ESE SNY TO 15 NNE SNY.
..LYONS..05/11/23
ATTN...WFO...BOU...GLD...PUB...LBF...
&&
STATUS REPORT FOR WT 207
SEVERE WEATHER THREAT CONTINUES FOR THE FOLLOWING AREAS
NEC029-063-085-135-110340-
NE
. NEBRASKA COUNTIES INCLUDED ARE
CHASE FRONTIER HAYES
PERKINS
$$
THE WATCH STATUS MESSAGE IS FOR GUIDANCE PURPOSES ONLY. PLEASE
REFER TO WATCH COUNTY NOTIFICATION STATEMENTS FOR OFFICIAL
INFORMATION ON COUNTIES...INDEPENDENT CITIES AND MARINE ZONES
CLEARED FROM SEVERE THUNDERSTORM AND TORNADO WATCHES.
$$
STATUS REPORT #5 ON WW 207
VALID 110130Z - 110240Z
SEVERE WEATHER THREAT CONTINUES RIGHT OF A LINE FROM 30 SSW ITR
TO 25 NW ITR TO 10 WNW AKO TO 30 ESE CYS.
..LYONS..05/11/23
ATTN...WFO...BOU...GLD...PUB...LBF...
&&
STATUS REPORT FOR WT 207
SEVERE WEATHER THREAT CONTINUES FOR THE FOLLOWING AREAS
COC075-095-115-110240-
CO
. COLORADO COUNTIES INCLUDED ARE
LOGAN PHILLIPS SEDGWICK
$$
KSC023-039-065-137-153-179-181-193-110240-
KS
. KANSAS COUNTIES INCLUDED ARE
CHEYENNE DECATUR GRAHAM
NORTON RAWLINS SHERIDAN
SHERMAN THOMAS
$$
NEC029-057-063-085-087-135-145-110240-
NE
. NEBRASKA COUNTIES INCLUDED ARE
CHASE DUNDY FRONTIER
HAYES HITCHCOCK PERKINS
RED WILLOW
$$
THE WATCH STATUS MESSAGE IS FOR GUIDANCE PURPOSES ONLY. PLEASE
REFER TO WATCH COUNTY NOTIFICATION STATEMENTS FOR OFFICIAL
INFORMATION ON COUNTIES...INDEPENDENT CITIES AND MARINE ZONES
CLEARED FROM SEVERE THUNDERSTORM AND TORNADO WATCHES.
$$
STATUS REPORT #4 ON WW 207
VALID 110025Z - 110140Z
SEVERE WEATHER THREAT CONTINUES RIGHT OF A LINE FROM 40 S LIC TO
35 ENE DEN TO 30 NW DEN.
..THORNTON..05/11/23
ATTN...WFO...BOU...GLD...PUB...LBF...
&&
STATUS REPORT FOR WT 207
SEVERE WEATHER THREAT CONTINUES FOR THE FOLLOWING AREAS
COC017-063-073-075-087-095-115-121-123-125-110140-
CO
. COLORADO COUNTIES INCLUDED ARE
CHEYENNE KIT CARSON LINCOLN
LOGAN MORGAN PHILLIPS
SEDGWICK WASHINGTON WELD
YUMA
$$
KSC023-039-065-137-153-179-181-193-110140-
KS
. KANSAS COUNTIES INCLUDED ARE
CHEYENNE DECATUR GRAHAM
NORTON RAWLINS SHERIDAN
SHERMAN THOMAS
$$
NEC029-057-063-085-087-135-145-110140-
NE
. NEBRASKA COUNTIES INCLUDED ARE
CHASE DUNDY FRONTIER
HAYES HITCHCOCK PERKINS
RED WILLOW
$$
THE WATCH STATUS MESSAGE IS FOR GUIDANCE PURPOSES ONLY. PLEASE
REFER TO WATCH COUNTY NOTIFICATION STATEMENTS FOR OFFICIAL
INFORMATION ON COUNTIES...INDEPENDENT CITIES AND MARINE ZONES
CLEARED FROM SEVERE THUNDERSTORM AND TORNADO WATCHES.
$$
STATUS REPORT #3 ON WW 207
VALID 102345Z - 110040Z
THE SEVERE WEATHER THREAT CONTINUES ACROSS THE ENTIRE WATCH AREA.
FOR ADDITIONAL INFORMATION SEE MESOSCALE DISCUSSION 757
..THORNTON..05/10/23
ATTN...WFO...BOU...GLD...PUB...LBF...
&&
STATUS REPORT FOR WT 207
SEVERE WEATHER THREAT CONTINUES FOR THE FOLLOWING AREAS
COC001-005-017-031-035-039-041-063-073-075-087-095-115-119-121-
123-125-110040-
CO
. COLORADO COUNTIES INCLUDED ARE
ADAMS ARAPAHOE CHEYENNE
DENVER DOUGLAS ELBERT
EL PASO KIT CARSON LINCOLN
LOGAN MORGAN PHILLIPS
SEDGWICK TELLER WASHINGTON
WELD YUMA
$$
KSC023-039-065-137-153-179-181-193-110040-
KS
. KANSAS COUNTIES INCLUDED ARE
CHEYENNE DECATUR GRAHAM
NORTON RAWLINS SHERIDAN
SHERMAN THOMAS
$$
NEC029-057-063-085-087-135-145-110040-
NE
. NEBRASKA COUNTIES INCLUDED ARE
CHASE DUNDY FRONTIER
HAYES HITCHCOCK PERKINS
RED WILLOW
$$
THE WATCH STATUS MESSAGE IS FOR GUIDANCE PURPOSES ONLY. PLEASE
REFER TO WATCH COUNTY NOTIFICATION STATEMENTS FOR OFFICIAL
INFORMATION ON COUNTIES...INDEPENDENT CITIES AND MARINE ZONES
CLEARED FROM SEVERE THUNDERSTORM AND TORNADO WATCHES.
$$
STATUS REPORT #2 ON WW 207
VALID 102220Z - 102340Z
THE SEVERE WEATHER THREAT CONTINUES ACROSS THE ENTIRE WATCH AREA.
..THORNTON..05/10/23
ATTN...WFO...BOU...GLD...PUB...LBF...
&&
STATUS REPORT FOR WT 207
SEVERE WEATHER THREAT CONTINUES FOR THE FOLLOWING AREAS
COC001-005-017-031-035-039-041-063-073-075-087-095-115-119-121-
123-125-102340-
CO
. COLORADO COUNTIES INCLUDED ARE
ADAMS ARAPAHOE CHEYENNE
DENVER DOUGLAS ELBERT
EL PASO KIT CARSON LINCOLN
LOGAN MORGAN PHILLIPS
SEDGWICK TELLER WASHINGTON
WELD YUMA
$$
KSC023-039-065-137-153-179-181-193-102340-
KS
. KANSAS COUNTIES INCLUDED ARE
CHEYENNE DECATUR GRAHAM
NORTON RAWLINS SHERIDAN
SHERMAN THOMAS
$$
NEC029-057-063-085-087-135-145-102340-
NE
. NEBRASKA COUNTIES INCLUDED ARE
CHASE DUNDY FRONTIER
HAYES HITCHCOCK PERKINS
RED WILLOW
$$
THE WATCH STATUS MESSAGE IS FOR GUIDANCE PURPOSES ONLY. PLEASE
REFER TO WATCH COUNTY NOTIFICATION STATEMENTS FOR OFFICIAL
INFORMATION ON COUNTIES...INDEPENDENT CITIES AND MARINE ZONES
CLEARED FROM SEVERE THUNDERSTORM AND TORNADO WATCHES.
$$
STATUS REPORT #1 ON WW 207
VALID 102035Z - 102140Z
THE SEVERE WEATHER THREAT CONTINUES ACROSS THE ENTIRE WATCH AREA.
..DEAN..05/10/23
ATTN...WFO...BOU...GLD...PUB...LBF...
&&
STATUS REPORT FOR WT 207
SEVERE WEATHER THREAT CONTINUES FOR THE FOLLOWING AREAS
COC001-005-017-031-035-039-041-063-073-075-087-095-115-119-121-
123-125-102140-
CO
. COLORADO COUNTIES INCLUDED ARE
ADAMS ARAPAHOE CHEYENNE
DENVER DOUGLAS ELBERT
EL PASO KIT CARSON LINCOLN
LOGAN MORGAN PHILLIPS
SEDGWICK TELLER WASHINGTON
WELD YUMA
$$
KSC023-039-065-137-153-179-181-193-102140-
KS
. KANSAS COUNTIES INCLUDED ARE
CHEYENNE DECATUR GRAHAM
NORTON RAWLINS SHERIDAN
SHERMAN THOMAS
$$
NEC029-057-063-085-087-135-145-102140-
NE
. NEBRASKA COUNTIES INCLUDED ARE
CHASE DUNDY FRONTIER
HAYES HITCHCOCK PERKINS
RED WILLOW
$$
THE WATCH STATUS MESSAGE IS FOR GUIDANCE PURPOSES ONLY. PLEASE
REFER TO WATCH COUNTY NOTIFICATION STATEMENTS FOR OFFICIAL
INFORMATION ON COUNTIES...INDEPENDENT CITIES AND MARINE ZONES
CLEARED FROM SEVERE THUNDERSTORM AND TORNADO WATCHES.
$$
Note:
Click for Complete Product Text.
Tornadoes
Probability of 2 or more tornadoes
|
Mod (50%)
|
Probability of 1 or more strong (EF2-EF5) tornadoes
|
Low (20%)
|
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
|
High (70%)
|
Probability of 1 or more hailstones > 2 inches
|
Mod (50%)
|
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.