Alert archive / Oklahoma / Tornado Watches in 2007
Tornado Watch 295
The Storm Prediction Center issued this tornado watch at May 23, 2007, 10:48 PM CDT for 7 counties in Kansas; 9 counties in Oklahoma; 9 counties in Texas. It was in force for 4 hr.
The area
The outline as issued.
The facts
- Issued
- May 23, 2007, 10:48 PM CDT (03:48 UTC)
- Expired
- May 24, 2007, 2:47 AM CDT
- In force
- 4 hr
- Issued by
- the Storm Prediction Center
- Largest hail expected
- 3 in
- Strongest gust expected
- 60 kt
All 25 counties
Barber County, KS, Clark County, KS, Comanche County, KS, Kiowa County, KS, Meade County, KS, Pratt County, KS, Stafford County, KS, Alfalfa County, OK, Beaver County, OK, Dewey County, OK, Ellis County, OK, Harper County, OK, Major County, OK, Roger Mills County, OK, Woods County, OK, Woodward County, OK, Carson County, TX, Gray County, TX, Hansford County, TX, Hemphill County, TX, Hutchinson County, TX, Lipscomb County, TX, Ochiltree County, TX, Roberts County, TX, Wheeler County, TX
The radar
The Dodge City radar (KDDC), 88 km from the middle of the area, began a volume at 03:50 UTC, the scan nearest the moment this went out.
Open the radar archive at this moment
The archived warnings, watches and discussions in force at that minute are drawn over the scan, this one among them.
What SPC expected
The probabilities SPC published with the watch, for the watch area over its life.
- Two or more tornadoes
- 50%
- One or more EF2 to EF5 tornadoes
- 30%
- Ten or more severe wind reports
- 40%
- One or more gusts of 65 knots or more
- 50%
- Ten or more severe hail reports
- 95%
- One or more hailstones of 2 inches or more
- 50%
- Six or more combined severe hail and wind reports
- 95%
Warnings issued inside it
15 tornado, severe thunderstorm and flash flood warnings for its counties while it was in force.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| May 23, 10:58 PM CDT | Flash Flood Warning | AMA | Roberts | 3 hr |
| May 23, 11:00 PM CDT | Severe Thunderstorm Warning | AMA | Lipscomb | 60 min |
| May 23, 11:26 PM CDT | Severe Thunderstorm Warning | AMA | Beaver | 49 min |
| May 23, 11:30 PM CDT | Severe Thunderstorm Warning | OUN | Ellis | 60 min |
| May 23, 11:33 PM CDT | Severe Thunderstorm Warning | AMA | Ochiltree | 57 min |
| May 23, 11:42 PM CDT | Severe Thunderstorm Warning | AMA | Roberts | 63 min |
| May 24, 12:00 AM CDT | Severe Thunderstorm Warning | AMA | Lipscomb | 45 min |
| May 24, 12:21 AM CDT | Severe Thunderstorm Warning | AMA | Hemphill | 54 min |
| May 24, 12:39 AM CDT | Severe Thunderstorm Warning | OUN | Ellis | 51 min |
| May 24, 12:40 AM CDT | Tornado Warning | DDC | Clark, Kiowa | 50 min |
| May 24, 12:57 AM CDT | Tornado Warning | OUN | Ellis | 33 min |
| May 24, 1:06 AM CDT | Tornado Warning | OUN | Woodward | 16 min |
| May 24, 1:23 AM CDT | Severe Thunderstorm Warning | OUN | Woodward | 52 min |
| May 24, 1:25 AM CDT | Severe Thunderstorm Warning | DDC | Kiowa | 37 min |
| May 24, 2:04 AM CDT | Severe Thunderstorm Warning | OUN | Roger Mills | 41 min |
Discussions around it
SPC mesoscale discussions over the same counties from four hours before the watch to its end.
The nearest sounding before it
Dodge City, (KDDC), launched 00:00Z, 3.8 hours before the alert went out and 88 km from the middle of its area. This is the routine balloon launch nearest before it, the air the forecaster had in hand, not a measurement taken for the alert.
- Mixed-layer CAPE
- 879 J/kg
- Mixed-layer CIN
- -33 J/kg
- Mixed-layer LCL
- 1377 m above ground
- 0-6 km bulk shear
- 71 kt
- 0-1 km storm-relative helicity
- 227 m²/s²
- 0-3 km storm-relative helicity
- 418 m²/s²
- Significant tornado parameter
- 1.2
- Supercell composite
- 5.4
The text
As transmitted, in the capitals the NWS used until 2016.
000
WWUS20 KWNS 240351
SEL5
SPC WW 240351
KSZ000-OKZ000-TXZ000-240800-
URGENT - IMMEDIATE BROADCAST REQUESTED
TORNADO WATCH NUMBER 295
NWS STORM PREDICTION CENTER NORMAN OK
1050 PM CDT WED MAY 23 2007
THE NWS STORM PREDICTION CENTER HAS ISSUED A
TORNADO WATCH FOR PORTIONS OF
SOUTHWEST KANSAS
NORTHWEST OKLAHOMA INCLUDING THE EASTERN PANHANDLE
EASTERN TEXAS PANHANDLE
EFFECTIVE THIS WEDNESDAY NIGHT AND THURSDAY MORNING FROM 1050 PM
UNTIL 300 AM CDT.
TORNADOES...HAIL TO 3 INCHES IN DIAMETER...THUNDERSTORM WIND
GUSTS TO 70 MPH...AND DANGEROUS LIGHTNING ARE POSSIBLE IN THESE
AREAS.
THE TORNADO WATCH AREA IS APPROXIMATELY ALONG AND 75 STATUTE
MILES EAST AND WEST OF A LINE FROM 55 MILES NORTH NORTHWEST OF
MEDICINE LODGE KANSAS TO 55 MILES EAST SOUTHEAST OF BORGER TEXAS.
FOR A COMPLETE DEPICTION OF THE WATCH SEE THE ASSOCIATED WATCH
OUTLINE UPDATE (WOUS64 KWNS WOU5).
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.
OTHER WATCH INFORMATION...THIS TORNADO WATCH REPLACES TORNADO
WATCH NUMBER 293. WATCH NUMBER 293 WILL NOT BE IN EFFECT AFTER
1050 PM CDT. CONTINUE...WW 294...
DISCUSSION...SUPERCELLS WILL CONTINUE AHEAD OF EJECTING MID/UPPER
LEVEL TROUGH AND ASSOCIATED STRONG SURFACE COLD FRONT NOW MOVING
INTO SWRN KS/CENTRAL TX PANHANDLE TONIGHT. SLY LLJ WILL INTENSIFY
IN EXCESS OF 50 KT AND PROVIDE AMPLE LOW AND DEEP LAYER SHEAR FOR
INTENSE ROTATION WITH THE STRONGER CORES. THIS WILL INCREASE THE
POTENTIAL FOR VERY LARGE HAIL/SEVERE WIND GUSTS...WITH TORNADO
THREAT PERSISTING WELL INTO THE NIGHT AS STORMS REMAIN ROOTED NEAR
THE SURFACE. LARGER MCS WILL LIKELY EVOLVE ALONG THE COLD FRONT
OVERNIGHT.
AVIATION...TORNADOES AND A FEW SEVERE THUNDERSTORMS WITH HAIL
SURFACE AND ALOFT TO 3 INCHES. EXTREME TURBULENCE AND SURFACE
WIND GUSTS TO 60 KNOTS. A FEW CUMULONIMBI WITH MAXIMUM TOPS TO
500. MEAN STORM MOTION VECTOR 26025.
...EVANSSPC that day
Everything else SPC issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| May 23, 7:10 PM CDT | Mesoscale Discussion | SPC | Atchison, Barton, Brown, Butler, Chase, Clay and 36 more | 35 min |
| May 23, 7:48 PM CDT | Severe Thunderstorm Watch | SPC | Barton, Butler, Chase, Clay, Cloud, Dickinson and 22 more | 7 hr |
| May 23, 10:12 PM CDT | Mesoscale Discussion | SPC | Clark, Comanche, Edwards, Finney, Ford, Grant and 12 more | 63 min |
| May 23, 11:29 PM CDT | Mesoscale Discussion | SPC | Barton, Butler, Chase, Clay, Cloud, Dickinson and 25 more | 91 min |
| May 24, 1:51 AM CDT | Mesoscale Discussion | SPC | Atchison, Brown, Butler, Chase, Clay, Coffey and 28 more | 54 min |
| May 24, 2:06 AM CDT | Mesoscale Discussion | SPC | Barber, Comanche, Harper, Kingman, Kiowa, Pratt and 1 more | 54 min |
| May 24, 2:41 AM CDT | Severe Thunderstorm Watch | SPC | Anderson, Brown, Butler, Chase, Coffey, Cowley and 25 more | 3 hr |
| May 24, 5:19 AM CDT | Mesoscale Discussion | SPC | Atchison, Brown, Butler, Chase, Coffey, Cowley and 16 more | 56 min |
| May 24, 10:04 AM CDT | Mesoscale Discussion | SPC | Carter, Coal, Garvin, Jefferson, Johnston, Love and 4 more | 116 min |
| May 24, 2:49 PM CDT | Mesoscale Discussion | SPC | Brown, Callahan, Coke, Coleman, Comanche, Concho and 18 more | 2 hr |
Nearby
Tornado Watches in Oklahoma, 2007Tornado Watches in Texas, 2007Tornado Watches in Kansas, 2007Every tornado watch in 2007
Sources
The product and its follow-ups from the Iowa Environmental Mesonet's archive of National Weather Service and Storm Prediction Center text; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.