Alert archive / Oklahoma / Tornado Watches in 2004
Tornado Watch 36
The Storm Prediction Center issued this tornado watch at Mar 27, 2004, 12:30 PM CST for 23 counties in Oklahoma. It was in force for 6 hr.
The area
The outline as issued.
The facts
- Issued
- Mar 27, 2004, 12:30 PM CST (18:30 UTC)
- Expired
- Mar 27, 2004, 6:00 PM CST
- In force
- 6 hr
- Issued by
- the Storm Prediction Center
All 23 counties
Alfalfa County, OK, Beckham County, OK, Blaine County, OK, Caddo County, OK, Canadian County, OK, Comanche County, OK, Custer County, OK, Dewey County, OK, Ellis County, OK, Garfield County, OK, Grady County, OK, Grant County, OK, Greer County, OK, Harmon County, OK, Harper County, OK, Jackson County, OK, Kingfisher County, OK, Kiowa County, OK, Major County, OK, Roger Mills County, OK, Washita County, OK, Woods County, OK, Woodward County, OK
Warnings issued inside it
30 tornado, severe thunderstorm and flash flood warnings for its counties while it was in force.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Mar 27, 12:30 PM CST | Severe Thunderstorm Warning | OUN | Ellis | 45 min |
| Mar 27, 12:50 PM CST | Severe Thunderstorm Warning | OUN | Woodward | 40 min |
| Mar 27, 1:11 PM CST | Severe Thunderstorm Warning | OUN | Beckham | 49 min |
| Mar 27, 1:14 PM CST | Severe Thunderstorm Warning | OUN | Dewey, Ellis | 31 min |
| Mar 27, 1:17 PM CST | Tornado Warning | OUN | Dewey, Woodward | 28 min |
| Mar 27, 1:44 PM CST | Tornado Warning | OUN | Woodward | 31 min |
| Mar 27, 1:46 PM CST | Severe Thunderstorm Warning | OUN | Custer, Roger Mills | 44 min |
| Mar 27, 1:48 PM CST | Severe Thunderstorm Warning | OUN | Dewey | 42 min |
| Mar 27, 1:57 PM CST | Severe Thunderstorm Warning | OUN | Beckham, Washita | 33 min |
| Mar 27, 2:13 PM CST | Tornado Warning | OUN | Woodward | 32 min |
| Mar 27, 2:27 PM CST | Severe Thunderstorm Warning | OUN | Custer | 48 min |
| Mar 27, 2:45 PM CST | Tornado Warning | OUN | Major, Woods, Woodward | 30 min |
| Mar 27, 2:53 PM CST | Tornado Warning | OUN | Custer | 37 min |
| Mar 27, 2:56 PM CST | Severe Thunderstorm Warning | OUN | Greer | 49 min |
| Mar 27, 3:14 PM CST | Tornado Warning | OUN | Woods | 31 min |
| Mar 27, 3:19 PM CST | Severe Thunderstorm Warning | OUN | Washita | 41 min |
| Mar 27, 3:30 PM CST | Tornado Warning | OUN | Custer, Dewey | 30 min |
| Mar 27, 3:39 PM CST | Tornado Warning | OUN | Alfalfa | 51 min |
| Mar 27, 4:00 PM CST | Severe Thunderstorm Warning | OUN | Washita | 45 min |
| Mar 27, 4:00 PM CST | Tornado Warning | OUN | Blaine, Dewey | 45 min |
| Mar 27, 4:02 PM CST | Severe Thunderstorm Warning | OUN | Washita | 43 min |
| Mar 27, 4:31 PM CST | Tornado Warning | OUN | Washita | 29 min |
| Mar 27, 4:44 PM CST | Severe Thunderstorm Warning | OUN | Blaine, Kingfisher | 46 min |
| Mar 27, 4:49 PM CST | Tornado Warning | OUN | Custer | 26 min |
| Mar 27, 5:13 PM CST | Tornado Warning | OUN | Custer | 32 min |
| Mar 27, 5:14 PM CST | Severe Thunderstorm Warning | OUN | Woods, Woodward | 46 min |
| Mar 27, 5:15 PM CST | Severe Thunderstorm Warning | OUN | Garfield | 45 min |
| Mar 27, 5:26 PM CST | Tornado Warning | OUN | Blaine, Caddo | 49 min |
| Mar 27, 5:57 PM CST | Severe Thunderstorm Warning | OUN | Alfalfa, Major, Woods, Woodward | 48 min |
| Mar 27, 5:58 PM CST | Severe Thunderstorm Warning | OUN | Garfield | 47 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
Norman, OK (KOUN), launched 12:00Z, 6.5 hours before the alert went out and 153 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
- 44 J/kg
- Mixed-layer CIN
- -218 J/kg
- Mixed-layer LCL
- 665 m above ground
- 0-6 km bulk shear
- 25 kt
- 0-1 km storm-relative helicity
- 171 m²/s²
- 0-3 km storm-relative helicity
- 201 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.1
The text
As transmitted, in the capitals the NWS used until 2016.
000
WWUS20 KWNS 271828
SEL6
SPC WW 271830
OKZ000-280000-
URGENT - IMMEDIATE BROADCAST REQUESTED
TORNADO WATCH NUMBER 36
NWS STORM PREDICTION CENTER NORMAN OK
1230 PM CST SAT MAR 27 2004
THE NWS STORM PREDICTION CENTER HAS ISSUED A
TORNADO WATCH FOR PORTIONS OF
WESTERN OKLAHOMA
EFFECTIVE THIS SATURDAY AFTERNOON AND EVENING FROM 1230 PM UNTIL
600 PM CST.
TORNADOES...HAIL TO 3 INCHES IN DIAMETER...THUNDERSTORM WIND GUSTS
TO 80 MPH...AND DANGEROUS LIGHTNING ARE POSSIBLE IN THESE AREAS.
THE TORNADO WATCH AREA IS ALONG AND 65 STATUTE MILES EAST AND WEST
OF A LINE FROM 65 MILES NORTHWEST OF ENID OKLAHOMA TO 25 MILES
EAST SOUTHEAST OF ALTUS OKLAHOMA.
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 35...
DISCUSSION...ISOLATED THUNDERSTORMS ARE EXPECTED TO INTENSIFY ALONG
THE DRYLINE OVER WESTERN OK DURING THE NEXT FEW HOURS AND SPREAD
EASTWARD. AIRMASS OVER THIS REGION CONTINUES TO DESTABILIZE...WITH
VERTICAL SHEAR PROFILES FAVORING ISOLATED SUPERCELL STORMS. VERY
LARGE HAIL AND A FEW TORNADOES APPEAR POSSIBLE IN THIS REGION.
AVIATION...TORNADOES AND A FEW SEVERE THUNDERSTORMS WITH HAIL
SURFACE AND ALOFT TO 3 INCHES. EXTREME TURBULENCE AND SURFACE WIND
GUSTS TO 70 KNOTS. A FEW CUMULONIMBI WITH MAXIMUM TOPS TO 500.
MEAN STORM MOTION VECTOR 25035.
...HART
370,0973 342,0974 342,1000 370,0995SPC that day
Everything else SPC issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Mar 26, 6:00 PM CST | Mesoscale Discussion | SPC | Beaver, Cimarron, Texas | 2 hr |
| Mar 27, 1:55 AM CST | Mesoscale Discussion | SPC | Cimarron, Texas | 2 hr |
| Mar 27, 7:12 AM CST | Mesoscale Discussion | SPC | Alfalfa, Beckham, Blaine, Custer, Dewey, Ellis and 9 more | 93 min |
| Mar 27, 9:12 AM CST | Mesoscale Discussion | SPC | Harper, Woods | 3 hr |
| Mar 27, 9:58 AM CST | Mesoscale Discussion | SPC | Beckham, Ellis, Greer, Harmon, Roger Mills | 2 hr |
| Mar 27, 12:07 PM CST | Mesoscale Discussion | SPC | Alfalfa, Blaine, Canadian, Custer, Dewey, Ellis and 11 more | 113 min |
| Mar 27, 1:58 PM CST | Mesoscale Discussion | SPC | Cotton, Tillman | 2 hr |
| Mar 27, 2:34 PM CST | Mesoscale Discussion | SPC | Alfalfa, Blaine, Custer, Dewey, Garfield, Grant and 7 more | 116 min |
| Mar 27, 3:53 PM CST | Mesoscale Discussion | SPC | Adair, Cherokee, Delaware, Haskell, Hughes, McIntosh and 6 more | 2 hr |
| Mar 27, 5:08 PM CST | Mesoscale Discussion | SPC | Alfalfa, Blaine, Caddo, Canadian, Comanche, Custer and 14 more | 37 min |
| Mar 27, 5:30 PM CST | Tornado Watch | SPC | Alfalfa, Blaine, Caddo, Canadian, Comanche, Custer and 11 more | 6 hr |
Nearby
Tornado 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.