Alert archive / Oklahoma / Severe Thunderstorm Warnings in 1992

Severe Thunderstorm Warning 9, NWS Tulsa, OK

March 8, 1992LeFlore County, Sequoyah County, Oklahoma

NWS Tulsa, OK issued this severe thunderstorm warning at Mar 8, 1992, 9:07 PM CST for LeFlore County, Sequoyah County, Oklahoma. It was in force for 68 min. 3 reports came from inside the area while it was in force.

The area

The counties it named, with what was reported inside it.

The facts

Issued: Mar 8, 1992, 9:07 PM CST (03:07 UTC)
Expired: Mar 8, 1992, 10:15 PM CST
In force: 68 min
Issued by: NWS Tulsa, OK
Area: Whole counties

Counties LeFlore County, OK, Sequoyah County, OK

What was reported inside it

Time	Report	Where
Mar 8, 9:15 PM CST	Hail 1.75	Le Flore, OK
Mar 8, 9:35 PM CST	Hail 1.75	Le Flore, OK
Mar 8, 9:42 PM CST	Hail 1.75	Sequoyah, OK

NCEI Storm Data entries that began inside the alert's area while it was in force. Before 2003 the local storm report archive is thin, so this is the record of what happened rather than what was phoned in. Storm Data before 1996 records only tornadoes, thunderstorm wind and hail.

The nearest sounding before it

Springfield, MO (KUMN), launched 00:00Z, 3.1 hours before the alert went out and 207 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: 0 J/kg
Mixed-layer CIN: No buoyant parcel
Mixed-layer LCL: 1340 m above ground
0-6 km bulk shear: 28 kt
0-1 km storm-relative helicity: 113 m²/s²
0-3 km storm-relative helicity: 225 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.0

Open this sounding in Storm Lab

The text

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

000 
TTAA00 KFSM 090308
SVRFSM
OKC135-079-090415-
 
BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE FORT SMITH AR
907 PM CST SUN MAR 8 1992
 
THE NATIONAL WEATHER SERVICE IN FORT SMITH HAS ISSUED A
SEVERE THUNDERSTORM WARNING EFFECTIVE UNTIL 1015 PM CST
FOR PEOPLE IN THE FOLLOWING LOCATIONS...
 
IN NORTHEAST OKLAHOMA
 
   ...SEQUOYAH COUNTY
 
IN SOUTHEAST OKLAHOMA
 
   ...LE FLORE COUNTY
 
AT 900 PM FT SMITH ARKANSAS RDAR INDICATED A LINE OF SEVERE
THUNDERSTORMS FROM 10 MILES SOUTH OF VIAN OKLAHOMA TO 10 MILES
NORTHWEST OF WISTER OKLAHOMA. MOVEMENT WAS NORTHEAST AT 30 MILES AN
HOUR. HEAVY RAIN HAIL AND STRONG GUISTY WINDS WAS OCCURRING WITH
THIS LINE OF THUNDERSTORMS.
 
 
 
SEVERE THUNDERSTORMS PRODUCE DAMAGING WIND IN EXCESS OF 55
MPH...DESTRUCTIVE HAIL...DEADLY LIGHTNING...AND VERY HEAVY RAIN.
FOR YOUR PROTECTION MOVE TO AN INTERIOR ROOM ON THE LOWEST FLOOR
OF YOUR HOME OR BUSINESS.  HEAVY RAINS FLOOD ROADS QUICKLY SO
DON'T DRIVE INTO AREAS WHERE WATER COVERS THE ROAD.

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.

In the hours before

Special weather statement, Mar 8, 3:15 PM CST, 5 hours 52 minutes before

OKZ026>034-040-090000-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE TULSA OK
315 PM CST SUN MAR 8 1992

...THUNDERSTORMS EXITING EASTERN OKLAHOMA BUT MORE ON THE WAY...

AT 315 PM A BAND OF THUNDERSTORMS WAS OVER EXTREME EASTERN OKLAHOMA.
THE STRONGEST STORMS WERE IN THE NORTHEAST CORNER OF THE STATE OVER
OTTAWA COUNTY.  ANY OF THE STORMS MAY PRODUCE STRONG WINDS AND SMALL
HAIL...AS WELL AS TORRENTIAL RAIN AND INTENSE LIGHTNING.  THESE STORMS
WERE MOVING NORTHEAST AT ABOUT 40 MILES AN HOUR AND WILL BE OUT OF
THE STATE SHORTLY AFTER 4 PM.

MORE THUNDERSTORMS ARE DEVELOPING THIS AFTERNOON IN WESTERN OKLAHOMA.
THESE WILL MOVE INTO EASTERN OKLAHOMA AFTER SUNSET AND THERE IS A
SIGNIFICANT POSSIBILITY OF SEVERE WEATHER WITH THESE STORMS.

STAY TUNED TO LOCAL RADIO AND TV FOR THE LATEST INFORMATION.  STAY
INDOORS WHEN STORMS ARE IN YOUR AREA.

Local storm report, Mar 8, 4:31 PM CST, 4 hours 36 minutes before

STORM REPORT
NATIONAL WEATHER SERVICE TULSA OK
427 PM CST SUN MAR 08 1992

TIME(CST)       COUNTY         REPORT

1245 PM         OKMULGEE       QUARTER SIZE HAIL 3 MILES SOUTHEAST
                       t        OF HENRYETTA

Local storm report, Mar 8, 4:41 PM CST, 4 hours 26 minutes before

STORM REPORT CORRECTED
NATIONAL WEATHER SERVICE TULSA OK
431 PM CST SUN MAR 08 1992

CORRECTED REPORTS FOR MARCH 8...CHANGED TIMES FROM CDT TO CST

TIME(CST)       COUNTY         REPORT

1115 AM         PITTSBURG      NICKLE SIZE HAIL REPORTED JUST SOUTH
                               OF KIOWA BY THE KIOWA CIVIL DEFENSE

1240 PM         PITTSBURG      SHERIFFS OFFICE REPORTED MARBLE SIZE
                               HAIL AT CANADIAN

1240 PM         PITTSBURG      COOP OBSERVER REPORTED NICKLE SIZE
                               HAIL AT CROWDER

1219 PM         OKFUSKEE       HENRYETTA POLICE REPORTED 2 INCH
                               HAIL AT CLEARVIEW

1215 PM         OKFUSKEdE       3/4 INCH HAIL AT OKEMAH

Local storm report, Mar 8, 4:44 PM CST, 4 hours 23 minutes before

STORM REPORT CORRECTION
NATIONAL WEATHER SERVICE TULSA, OK
443 PM CST SUN MAR 08 1992

CORRECTED REPORT FROM FEBRUARY 17...CHANGED TIME FROM CDT TO CST

TIME(CST)       COUNTY         REPORT

100 AM          OSAGE          DIME SIZE HAIL AT PERSHING

Special weather statement, Mar 8, 6:00 PM CST, 3 hours 7 minutes before

OKZ026>034-040-090100-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE TULSA OK
600 PM CST SUN MAR 8 1992

...BE READY FOR SEVERE WEATHER IN EASTERN OKLAHOMA THIS EVENING...

INTENSE STORMS OVER SOUTH-CENTRAL OKLAHOMA WILL BE MOVING INTO
EASTERN SECTIONS OF THE STATE LATER THIS EVENING.  CONDITIONS ARE
FAVORABLE FOR THE DEVELOPMENT OF SEVERE THUNDERSTORMS AND EVEN A
FEW TORNADOES.  REMEMBER THAT ALL THUNDERSTORMS PRODUCE DANGEROUS
LIGHTNING...SO STAY INDOORS WHEN STORMS ARE OCCURRING IN YOUR AREA.

THE FIRST THUNDERSTORMS WILL REACH PITTSBURG COUNTY AROUND 630 PM
AND CONTINUE TO SPREAD NORTHEASTWARD.  THE LEADING EDGE OF THE
ACTIVITY WILL REACH FROM TULSA TO FORT SMITH AS EARLY AS 8 PM.
STAY TUNED TO LOCAL RADIO AND TV FOR THE LATEST INFORMATION.

Special weather statement, Mar 8, 8:21 PM CST, 46 minutes before

OKZ031-033-090320-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE TULSA OK
820 PM CST SUN MAR 8 1992

...STRONG THUNDERSTORMS CONTINUE OVER SOUTHEAST OKLAHOMA...

THUNDERSTORMS WITH VERY HEAVY RAIN WERE OVER SOUTHEAST OKLAHOMA
AT 820 PM.  THE STRONGEST STORMS WERE OVER SOUTHERN PITTSBURG COUNTY
AND WILL PRODUCE HEAVY RAINFALL AND INTENSE LIGHTNING.  OTHER STORMS
WERE OVER HASKELL AND LATIMER COUNTIES.  ALL OF THE STORMS WERE
MOVING NORTHEAST AT 30 MILES AN HOUR.

STAY INDOORS WHEN STORMS ARE OCCURRING IN YOUR AREA.
STAY TUNED TO LOCAL RADIO AND TV FOR THE LATEST INFORMATION.

The office that day

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

Issued	Product	Office	Counties	Lasted
Mar 8, 8:58 PM CST	Severe Thunderstorm Warning	TSA	Haskell	32 min
Mar 8, 9:24 PM CST	Tornado Warning	TSA	LeFlore, Sequoyah	41 min
Mar 9, 12:12 AM CST	Severe Thunderstorm Warning	TSA	Pittsburg	48 min

Nearby

Severe Thunderstorm Warnings in Oklahoma, 1992 Every severe thunderstorm warning in 1992

Sources

The product and its follow-ups from the Iowa Environmental Mesonet's archive of National Weather Service and Storm Prediction Center text; verification from NCEI's Storm Data; the sounding from the Mesonet's radiosonde archive.