Alert archive / Texas / Tornado Watches in 2004
Tornado Watch 105
The Storm Prediction Center issued this tornado watch at Apr 22, 2004, 4:30 PM CDT for Bryan County, Love County, Oklahoma; 11 counties in Texas. It was in force for 6 hr.
The area
The outline as issued.
The facts
- Issued
- Apr 22, 2004, 4:30 PM CDT (21:30 UTC)
- Expired
- Apr 22, 2004, 10:00 PM CDT
- In force
- 6 hr
- Issued by
- the Storm Prediction Center
Counties Bryan County, OK, Love County, OK, Collin County, TX, Cooke County, TX, Delta County, TX, Denton County, TX, Fannin County, TX, Grayson County, TX, Hunt County, TX, Jack County, TX, Lamar County, TX, Montague County, TX, Wise County, TX
The radar
The Dallas/Ft Worth radar (KFWS), 95 km from the middle of the area, began a volume at 21:31 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.
Warnings issued inside it
17 tornado, severe thunderstorm and flash flood warnings for its counties while it was in force.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Apr 22, 4:49 PM CDT | Severe Thunderstorm Warning | FWD | Montague | 56 min |
| Apr 22, 5:32 PM CDT | Severe Thunderstorm Warning | OUN | Carter, Jefferson, Love, Murray | 58 min |
| Apr 22, 5:39 PM CDT | Tornado Warning | FWD | Montague | 51 min |
| Apr 22, 6:17 PM CDT | Severe Thunderstorm Warning | FWD | Cooke | 58 min |
| Apr 22, 6:28 PM CDT | Severe Thunderstorm Warning | FWD | Montague | 62 min |
| Apr 22, 6:35 PM CDT | Flash Flood Warning | FWD | Montague | 3 hr |
| Apr 22, 7:17 PM CDT | Tornado Warning | FWD | Montague | 43 min |
| Apr 22, 7:20 PM CDT | Tornado Warning | FWD | Montague | 40 min |
| Apr 22, 7:35 PM CDT | Severe Thunderstorm Warning | FWD | Cooke | 55 min |
| Apr 22, 8:01 PM CDT | Severe Thunderstorm Warning | FWD | Montague | 44 min |
| Apr 22, 8:25 PM CDT | Severe Thunderstorm Warning | FWD | Cooke | 65 min |
| Apr 22, 8:37 PM CDT | Severe Thunderstorm Warning | FWD | Jack | 53 min |
| Apr 22, 8:41 PM CDT | Severe Thunderstorm Warning | FWD | Montague | 64 min |
| Apr 22, 9:17 PM CDT | Flash Flood Warning | FWD | Montague | 3 hr |
| Apr 22, 9:24 PM CDT | Severe Thunderstorm Warning | FWD | Jack | 66 min |
| Apr 22, 9:36 PM CDT | Flash Flood Warning | FWD | Jack | 3 hr |
| Apr 22, 9:38 PM CDT | Severe Thunderstorm Warning | FWD | Cooke, Montague | 52 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
Fort Worth, TX (KFWD), launched 12:00Z, 9.5 hours before the alert went out and 66 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
- 1162 J/kg
- Mixed-layer CIN
- -136 J/kg
- Mixed-layer LCL
- 709 m above ground
- 0-6 km bulk shear
- 43 kt
- 0-1 km storm-relative helicity
- 239 m²/s²
- 0-3 km storm-relative helicity
- 184 m²/s²
- Significant tornado parameter
- 0.6
- Supercell composite
- 2.5
The text
As transmitted, in the capitals the NWS used until 2016.
529
WWUS20 KWNS 222131
SEL5
SPC WW 222130
TXZ000-230300-
URGENT - IMMEDIATE BROADCAST REQUESTED
TORNADO WATCH NUMBER 105
NWS STORM PREDICTION CENTER NORMAN OK
430 PM CDT THU APR 22 2004
THE NWS STORM PREDICTION CENTER HAS ISSUED A
TORNADO WATCH FOR PORTIONS OF
NORTH CENTRAL TEXAS
EFFECTIVE THIS THURSDAY AFTERNOON AND EVENING FROM 430 PM UNTIL
1000 PM CDT.
TORNADOES...HAIL TO 2 INCHES IN DIAMETER...THUNDERSTORM WIND GUSTS
TO 70 MPH...AND DANGEROUS LIGHTNING ARE POSSIBLE IN THESE AREAS.
THE TORNADO WATCH AREA IS ALONG AND 75 STATUTE MILES EAST AND WEST
OF A LINE FROM 65 MILES WEST NORTHWEST OF PARIS TEXAS TO 110 MILES
WEST SOUTHWEST OF PARIS TEXAS.
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...CONTINUE...WW 104...
DISCUSSION...TRIPLE POINT APPEARS TO BE LOCATED NEAR/JUST SOUTHEAST
OF SPS LATE THIS AFTERNOON WITH DRY LINE EXTENDING SWWD INTO
W-CENTRAL TX. DEEP MOIST CONVECTION HAS RECENTLY DEVELOPED NEAR THE
TRIPLE POINT...AND AIR MASS TO ITS SOUTHEAST REMAINS MODERATELY
UNSTABLE AND WEAKLY CAPPED. EXPECT STORMS WILL BECOME SUPERCELLULAR
AND REMAIN DISCRETE AS THEY TRACK NORTHEAST AND THEN MORE EASTWARD
ACROSS NORTH CENTRAL TX THIS EVENING...WITH ATTENDANT THREAT OF
ISOLATED TORNADOES ALONG WITH VERY LARGE HAIL AND ISOLATED DAMAGING
WINDS.
AVIATION...TORNADOES AND 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 25020.
...EVANS
335,0951 330,0955 330,0983 335,0974SPC that day
Everything else SPC issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Apr 21, 7:06 PM CDT | Mesoscale Discussion | SPC | Alfalfa, Beaver, Blaine, Dewey, Ellis, Harper and 3 more | 2 hr |
| Apr 21, 7:51 PM CDT | Mesoscale Discussion | SPC | Alfalfa, Blaine, Choctaw, Cleveland, Creek, Delaware and 18 more | 84 min |
| Apr 21, 8:35 PM CDT | Severe Thunderstorm Watch | SPC | Alfalfa, Blaine, Dewey, Ellis, Garfield, Grant and 9 more | 5 hr |
| Apr 21, 8:35 PM CDT | Tornado Watch | SPC | Atoka, Bryan, Choctaw, Coal, Haskell, Hughes and 6 more | 5 hr |
| Apr 21, 10:10 PM CDT | Mesoscale Discussion | SPC | Adair, Cherokee, Craig, Creek, Delaware, Mayes and 8 more | 95 min |
| Apr 21, 10:26 PM CDT | Mesoscale Discussion | SPC | Atoka, Bryan, Choctaw, Coal, Haskell, Hughes and 7 more | 64 min |
| Apr 21, 10:50 PM CDT | Severe Thunderstorm Watch | SPC | Adair, Cherokee, Craig, Creek, Delaware, Haskell and 14 more | 5 hr |
| Apr 21, 10:56 PM CDT | Mesoscale Discussion | SPC | Alfalfa, Garfield, Grant, Kay, Kingfisher, Logan and 2 more | 94 min |
| Apr 22, 1:43 AM CDT | Mesoscale Discussion | SPC | Adair, Cherokee, Haskell, McIntosh, Mayes, Muskogee and 7 more | 92 min |
| Apr 22, 12:32 PM CDT | Mesoscale Discussion | SPC | Adair, Atoka, Cherokee, Coal, Delaware, Haskell and 15 more | 88 min |
| Apr 22, 1:40 PM CDT | Tornado Watch | SPC | Adair, Atoka, Bryan, Carter, Cherokee, Choctaw and 33 more | 6 hr |
| Apr 22, 3:26 PM CDT | Mesoscale Discussion | SPC | Adair, Atoka, Cherokee, Coal, Haskell, Hughes and 16 more | 64 min |
| Apr 22, 5:27 PM CDT | Mesoscale Discussion | SPC | Adair, Atoka, Bryan, Choctaw, Coal, Craig and 23 more | 63 min |
| Apr 22, 6:23 PM CDT | Mesoscale Discussion | SPC | Adair, Carter, Garvin, Hughes, LeFlore, McCurtain and 10 more | 67 min |
| Apr 22, 3:15 PM CDT | Mesoscale Discussion | SPC | Collin, Cooke, Dallas, Denton, Fannin, Grayson and 8 more | 3 hr |
Nearby
Tornado Watches in Texas, 2004Tornado Watches in Oklahoma, 2004Every tornado watch in 2004
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.