Alert archive / Oklahoma / Severe Thunderstorm Warnings in 2004

Severe Thunderstorm Warning 41, NWS Norman, OK

March 27, 2004Washita County, Oklahoma

NWS Norman, OK issued this severe thunderstorm warning at Mar 27, 2004, 4:02 PM CST for Washita County, Oklahoma. It was in force for 43 min. No storm report in the archive falls inside the area while it was in force.

The area

The outline as issued.

The facts

Issued: Mar 27, 2004, 4:02 PM CST (22:02 UTC)
Expired: Mar 27, 2004, 4:45 PM CST
In force: 43 min
Issued by: NWS Norman, OK
Area: Counties, with a storm outline in the text

County Washita County, OK

Did it verify

Not verified. The Iowa Environmental Mesonet's Cow found no qualifying storm report inside this severe thunderstorm warning while it was in force. That is not proof nothing happened: reports are thin where few people live.

Cow counts a report within 15 km of the polygon while the warning was in force: a tornado for a tornado warning; hail of 1 inch or more, a gust of 58 mph or more or wind damage for a severe thunderstorm warning; a flash flood report for a flash flood warning.

The watch it was issued in

The SPC watch in force over the same counties when this warning went out.

Issued	Product	Office	Lasted
Mar 27, 12:30 PM CST	Tornado Watch	SPC	6 hr

The nearest sounding before it

Norman, OK (KOUN), launched 12:00Z, 10.0 hours before the alert went out and 160 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.

Skew-T log-p

Temperature in red, dew point in green, the mixed-layer parcel dashed.

Hodograph

The wind turning with height, colored by layer: ground to 1 km, 1 to 3 km, 3 to 6 km, 6 to 10 km.

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

Open this sounding in Storm Lab

The text

As transmitted, in the capitals the NWS used until 2016.

000 
WUUS54 KOUN 272202 CCA
SVROKC
OKC149-272245-

BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE NORMAN OK
400 PM CST SAT MAR 27 2004

THE NATIONAL WEATHER SERVICE IN NORMAN HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR...
  WASHITA COUNTY IN WESTERN OKLAHOMA

* UNTIL 445 PM CST

* AT 400 PM CST...DOPPLER RADAR DETECTED A SEVERE THUNDERSTORM 4
  MILES SOUTHWEST OF DILL CITY...MOVING NORTHEAST AT 20 MPH.

* LOCATIONS IN THE WARNING INCLUDE BESSIE...BURNS FLAT AND DILL CITY

HAIL UP TO THE SIZE OF GOLFBALLS AND WINDS TO 60 MPH ARE LIKELY.

SEVERE THUNDERSTORMS CAN PRODUCE TORNADOES WITH NO ADVANCE WARNING.
MOVE IMMEDIATELY TO A STORM SHELTER... BASEMENT OR STURDY BUILDING IF
A TORNADO IS SIGHTED.

LAT...LON 3528 9934 3521 9917 3544 9880 3547 9911

$$

What forecasters said that day

The local office's own words before this severe thunderstorm warning went out, as it sent them, from the Iowa Environmental Mesonet's archive of National Weather Service text.

NWS Norman, OK wrote its last area forecast discussion before this severe thunderstorm warning went out at Mar 27, 3:45 PM CST, 17 minutes earlier.

Area forecast discussion, Mar 27, 3:45 PM CST, 17 minutes before

AREA FORECAST DISCUSSION
NATIONAL WEATHER SERVICE NORMAN OK
345 PM CST SAT MAR 27 2004

MUST BE BRIEF...
SEVERE WEATHER WILL CONTINUE THROUGH THE OVERNIGHT HOURS...WITH
TORNADO POTENTIAL EXPECTED TO DECREASE EARLY THIS EVENING. SQUALL
LINE EVOLUTION EXPECTED TO TAKE OVER THIS EVENING THROUGH THE
OVERNIGHT HOURS. ISALLOBARIC TENDENCIES ARE EXPECTED TO KEEP WINDS
NEAR ADVISORY LEVELS NEAR AND AHEAD OF DRYLINE/COLD FRONT.
THEREFORE...WILL KEEP WIND ADVISORY GOING THROUGH AT LEAST THE
EVENING HOURS.

PERIODIC WEAK FROPAS PROGD THROUGH EARLY NEXT WEEK...WITH SOME
RECOVERY EXPECTED OVER MAINLY THE WESTERN AND SOUTHERN AREAS TOWARD
MIDWEEK. COULD SEE RAINY PERIOD LATE WEEK INTO NEXT WEEKEND AS
MOISTURE FLOWS NORTHWARD AND LONG WAVE TROUGH DOMINATES TO OUR SW.

FCSTID = 11

OKC  51 67 42 69 / 70 20 00 00
HBR  48 66 41 71 / 30 00 00 00
SPS  55 68 44 73 / 30 10 00 00
GAG  40 66 38 70 / 20 00 00 00
PNC  48 66 40 67 / 90 10 10 00
DUA  60 69 47 71 / 40 40 00 00

.OUN...
OK...WIND ADVISORY THRU EVENING ZONES
OKZ006-007-011-012-015>019-022>025-027>029-035>038-044.
TX...WIND ADVISORY THRU EVENING ZONES TXZ085-086-088>090.

Hazardous weather outlook, Mar 27, 1:20 PM CST, 2 hours 42 minutes before

HAZARDOUS WEATHER OUTLOOK...UPDATED...
NATIONAL WEATHER SERVICE NORMAN OK
120 PM CST SAT MAR 27 2004

OKZ004>048-050>052-TXZ083>090-281300-

THIS HAZARDOUS WEATHER OUTLOOK COVERS NORTHERN...WESTERN...
CENTRAL...AND SOUTHERN OKLAHOMA...AND WESTERN NORTH TEXAS.

.DAY ONE...THIS AFTERNOON AND TONIGHT...

THUNDERSTORM OUTLOOK...
THERE IS A MODERATE RISK OF SEVERE THUNDERSTORMS THIS AFTERNOON AND
TONIGHT OVER NORTHERN AND PARTS OF WESTERN OKLAHOMA. A SLIGHT RISK
AREA WILL EXIST OUTSIDE OF THE MODERATE RISK AREA.

LOCATION...
THE MODERATE RISK AREA COVERS LOCATIONS NORTH OF A LINE THAT EXTENDS
FROM ERICK AND SAYRE...TO GUTHRIE...TO CUSHING. THE SLIGHT RISK AREA
COVERS THE REST OF OKLAHOMA AND WESTERN NORTH TEXAS.

TIMING...
THE MOST SIGNIFICANT SEVERE WEATHER...WHICH INCLUDES VERY LARGE HAIL
AND TORNADOES...WILL BE FROM EARLY THIS AFTERNOON THROUGH EARLY
EVENING IN THE MODERATE RISK AREA. THE RISK OF SEVERE THUNDERSTORMS
WILL CONTINUE INTO THE OVERNIGHT HOURS...WITH THE PRIMARY CONCERN
SHIFTING TO DAMAGING WINDS AND LARGE HAIL.

RECOMMENDED ACTIONS...
STORM SPOTTER GROUPS AND EMERGENCY MANAGEMENT PERSONNEL ACROSS THE
RISK AREAS SHOULD PLAN FOR SEVERE WEATHER OPERATIONS FROM THIS
AFTERNOON AND OVERNIGHT.

DISCUSSION...
SEVERE WEATHER WILL CONTINUE THIS AFTERNOON ACROSS WESTERN AND
NORTHERN OKLAHOMA. THE STRONGEST ACTIVITY WILL CONTINUE AHEAD OF A
DRYLINE THAT WILL CONTINUE TO MOVE INTO WESTERN OKLAHOMA THROUGH THE
AFTERNOON. A COLD FRONT WILL ALSO MOVE INTO NORTHERN OKLAHOMA BY
LATE THIS AFTERNOON...PROVIDING ANOTHER FOCUS FOR SEVERE
THUNDERSTORMS. THROUGH THIS EVENING...THUNDERSTORMS WILL BECOME
WIDESPREAD ALONG BOTH FEATURES...WITH THE GREATEST COVERAGE EXPECTED
OVER THE NORTHERN HALF OF OKLAHOMA. THIS THUNDERSTORM ACTIVITY IS
EXPECTED TO DEVELOP INTO A SQUALL LINE THIS EVENING AND SPREAD EAST
AND SOUTH OVERNIGHT.

PROBABILITY TABLE...
VALID THROUGH 700 AM CST SUNDAY MAR 28.
PROBABILITY OF THUNDERSTORMS OCCURRING IN THE
              NWS NORMAN COUNTY WARNING AREA...100 PERCENT.
PROBABILITY OF SEVERE STORMS IF STORMS OCCUR...100 PERCENT.

OTHER HAZARDOUS WEATHER...
STRONG SOUTH TO SOUTHWEST WINDS WILL CONTINUE INTO THE EVENING HOURS
TO THE SOUTH OF THE COLD FRONT.

.DAYS TWO THROUGH SEVEN...SUNDAY THROUGH FRIDAY...

THUNDERSTORM OUTLOOK...
THUNDERSTORMS MAY CONTINUE BEYOND 6 AM SUNDAY MORNING IN PORTIONS OF
SOUTHERN... CENTRAL AND EASTERN OKLAHOMA. HOWEVER THE RISK OF SEVERE
WEATHER WILL BE DECREASING. THUNDERSTORMS RETURN TO THE FORECAST
THURSDAY AND FRIDAY.

OTHER HAZARDOUS WEATHER...
NONE.

...SPEG & 11

In the hours before

Local storm report, Mar 27, 3:30 PM CST, 32 minutes before

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE NORMAN OK
330 PM CST SAT MAR 27 2004

..TIME...   ...EVENT...     ...CITY LOCATION...      ...LAT.LON...
..DATE...   ....MAG....     ..COUNTY LOCATION...ST.. ...SOURCE....
            ..REMARKS..

0317 PM     HAIL             WILLOW                  35.05N 99.51W
03/27/2004  1.00 INCH        GREER              OK   PUBLIC

&&

JLP

Special weather statement, Mar 27, 3:33 PM CST, 29 minutes before

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE NORMAN OK
333 PM CST SAT MAR 27 2004

OKZ006-272145-
ALFALFA OK-
333 PM CST SAT MAR 27 2004

...SIGNIFICANT WEATHER ADVISORY...

THIS SIGNIFICANT WEATHER ADVISORY IS FOR ALFALFA COUNTY.

A THUNDERSTORM CAPABLE OF PRODUCING A TORNADO WAS LOCATED 9 MILES
WEST OF CARMEN AT 333 PM CST...MOVING NORTHEAST AT 30 MPH.

PEOPLE IN ALFALFA COUNTY SHOULD MONITOR THE WEATHER SITUATION
CLOSELY. LISTEN FOR WARNINGS AND REMAIN ALERT FOR THREATENING WEATHER
CONDITIONS. A TORNADO WARNING MAY BE REQUIRED SOON.

...SPEG.

Local storm report, Mar 27, 3:39 PM CST, 23 minutes before

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE NORMAN OK
339 PM CST SAT MAR 27 2004

..TIME...   ...EVENT...     ...CITY LOCATION...      ...LAT.LON...
..DATE...   ....MAG....     ..COUNTY LOCATION...ST.. ...SOURCE....
            ..REMARKS..

0330 PM     TORNADO          4 N CUSTER CITY         35.72N 98.89W
03/27/2004                   CUSTER             OK   TRAINED SPOTTER

            BRIEF TOUCHDOWN. TORNADO LASTED A FEW MINUTES.

&&

JLP

Local storm report, Mar 27, 3:42 PM CST, 20 minutes before

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE NORMAN OK
342 PM CST SAT MAR 27 2004

..TIME...   ...EVENT...     ...CITY LOCATION...      ...LAT.LON...
..DATE...   ....MAG....     ..COUNTY LOCATION...ST.. ...SOURCE....
            ..REMARKS..

0334 PM     HAIL             10 W SENTINEL           35.16N 99.35W
03/27/2004  0.75 INCH        WASHITA            OK   EMERGENCY MNGR

&&

JLP

Special weather statement, Mar 27, 3:47 PM CST, 15 minutes before

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE NORMAN OK
347 PM CST SAT MAR 27 2004

OKZ017-272200-
BLAINE OK-
347 PM CST SAT MAR 27 2004

...SIGNIFICANT WEATHER ADVISORY...

THIS SIGNIFICANT WEATHER ADVISORY IS FOR BLAINE COUNTY.

A THUNDERSTORM CAPABLE OF PRODUCING A TORNADO WAS LOCATED 17 MILES
SOUTHWEST OF EAGLE CITY AT 347 PM CST...MOVING NORTHEAST AT 25 MPH.
BRIEF TORNADOES HAVE BEEN REPORTED WITH THIS STORM. IF THIS STORM
MAINTAINS ITS STRENGTH AND MOVEMENT...IT WILL AFFECT WESTERN PARTS
OF BLAINE COUNTY AFTER 400 PM.

PEOPLE IN BLAINE COUNTY SHOULD MONITOR THE WEATHER SITUATION CLOSELY.
LISTEN FOR WARNINGS AND REMAIN ALERT FOR THREATENING WEATHER
CONDITIONS.

Local storm report, Mar 27, 3:56 PM CST, 6 minutes before

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE NORMAN OK
356 PM CST SAT MAR 27 2004

..TIME...   ...EVENT...     ...CITY LOCATION...      ...LAT.LON...
..DATE...   ....MAG....     ..COUNTY LOCATION...ST.. ...SOURCE....
            ..REMARKS..

0315 PM     HAIL             7 E WAYNOKA             36.58N 98.75W
03/27/2004  0.88 INCH        WOODS              OK   CO-OP OBSERVER

&&

JLP

The office that day

Everything else NWS Norman, OK issued on the same UTC day.

Issued	Product	Office	Counties	Lasted
Mar 27, 12:26 PM CST	Severe Thunderstorm Warning	OUN	Beckham	49 min
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, 1:00 PM CST	Severe Thunderstorm Warning	OUN	Carter, Johnston, Love, Marshall	45 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, 3:11 PM CST	Severe Thunderstorm Warning	OUN	Coal, Hughes	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, 4:31 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

Nearby

Severe Thunderstorm Warnings in Oklahoma, 2004 Every severe thunderstorm warning 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.