Alert archive / Arkansas / Severe Thunderstorm Warnings in 1991
Severe Thunderstorm Warning 71, NWS Tulsa, OK
NWS Tulsa, OK issued this severe thunderstorm warning at Apr 26, 1991, 9:25 PM CDT for Polk County, Arkansas. It was in force for 65 min.
The area
The counties it named.
The facts
- Issued
- Apr 26, 1991, 9:25 PM CDT (02:25 UTC)
- Expired
- Apr 26, 1991, 10:30 PM CDT
- In force
- 65 min
- Issued by
- NWS Tulsa, OK
- Area
- Whole counties
County Polk County, AR
The nearest sounding before it
Longview/Gregg, TX (KGGG), launched 00:00Z, 2.4 hours before the alert went out and 240 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
- 4104 J/kg
- Mixed-layer CIN
- -1 J/kg
- Mixed-layer LCL
- 596 m above ground
- 0-6 km bulk shear
- 37 kt
- 0-1 km storm-relative helicity
- 160 m²/s²
- 0-3 km storm-relative helicity
- 205 m²/s²
- Significant tornado parameter
- 3.7
- Supercell composite
- 21.4
The text
The text of this product is not in the archive. The NWS text archive before 2002 is incomplete.
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, Apr 26, 5:42 PM CDT, 3 hours 43 minutes before
OKZ026-030-262345- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE TULSA OK 542 PM CDT FRI APR 26 1991 ...TORNADO WATCH REMAINS IN EFFECT FOR OSAGE...PAWNEE...AND CREEK COUNTIES UNTIL 900 PM... AT 530 PM...A BAND OF STRONG THUNDERSTORMS CONTINUE ACROSS PARTS OF NORTH CENTRAL OKLAHOMA. SOME OF THESE STORMS HAVE BECOME SEVERE. HOWEVER CONSIDERING ITS CURRENT MOVEMENT...IT APPEARS THE STRONGEST STORMS WILL MOVE NORTHEASTWARD INTO KANSAS. HOWEVER...OTHER STORMS MAY DEVELOP FARTHER SOUTH ALONG THE BAND LATER THIS EVENING...AND MAY AFFECT THE COUNTIES IN THE WATCH AREA (OSAGE...PAWNEE...AND CREEK). PEOPLE IN THE WATCH AREA SHOULD CONTINUE TO BE ALERT AND TO MONITOR NOAA WEATHER RADIO FOR FURTHER STATEMENTS AND POSSIBLE WARNINGS.
Special weather statement, Apr 26, 6:35 PM CDT, 2 hours 50 minutes before
OKZ026-030-270030- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE TULSA OK 635 PM CDT FRI APR 26 1991 ...TORNADO WATCH REMAINS IN EFFECT FOR OSAGE...PAWNEE...AND CREEK COUNTIES UNTIL 900 PM.. AT 630 PM...AN AREA OF STRONG THUNDERSTORMS CONTINUE ACROSS NORTH CENTRAL OKLAHOMA. THE STRONGEST STORMS CONTINUE BETWEEN ENID AND PONCA CITY. HOWEVER...A NEW AREA OF STORMS HAS DEVELOPED TO THE EAST OVER OSAGE AND PAWNEE COUNTIES. ALTHOUGH THESE STORMS ARE NOT AS STRONG AS THE ONES TO THE WEST...THEY COULD INTENSIFY QUICKLY. PEOPLE IN OSAGE AND PAWNEE COUNTIES SHOULD REMAIN ALERT AND CONTINUE TO MONITOR NOAA WEATHER RADIO AND OTHER SOURCES FOR POSSIBLE WARNINGS AND FURTHER STATEMENTS.R
Local storm report, Apr 26, 8:10 PM CDT, 1 hour 15 minutes before
STORM REPORT
NATIONAL WEATHER SERVICE TULSA, OK
810 PM CDT FRI APR 26 1991
TIME(CDT) COUNTY REPORT
728 PM OSAGE GOLFBALL SIZE HAIL NEAR BURBANK
EXTENSIVE TREE DAMAGE EAST OF BURBANK
731 PM OSAGE WINDS ESTIMATED 80 MPH EAST OF BURBANK
BASEBALL SIZE HAIL EAST OF BURBANK
734 PM OSAGE TORNADO 5 MILES EAST OF BURBANK
755 PM PAWNEE HALF-DOLLAR SIZE HAIL AT SOUTH JENNINGS
800 PM PAWNEE BASEBALL SIZE HAIL NEAR HALLETTLocal storm report, Apr 26, 8:56 PM CDT, 29 minutes before
STORM REPORT
NATIONAL WEATHER SERVICE TULSA, OK
848 PM CDT FRI APR 26 1991
ADDITIONAL STORM REPORTS RECEIVED BY NWS TUL SINCE 800 PM...
TIME(CDT) COUNTY REPORT
815 PM PAWNEE QUARTER SIZE HAIL AT CLEVELAND
815 PM PAWNEE FUNNEL CLOUD 3 ENE OF TERLTON. HAD
BRIEFLY TOUCHED DOWN.
830 PM PAWNEE TORNADO ON THE CIMMARON TURNPIKE AT
JCT OF HIGHWAY 48. VEHICLES TURNED
OVER ON TURNPIKE.The office that day
Everything else NWS Tulsa, OK issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Apr 26, 7:14 PM CDT | Tornado Warning | TSA | Osage | 61 min |
| Apr 26, 7:46 PM CDT | Tornado Warning | TSA | Pawnee | 59 min |
| Apr 26, 8:15 PM CDT | Severe Thunderstorm Warning | TSA | Osage | 60 min |
| Apr 26, 8:32 PM CDT | Tornado Warning | TSA | Osage | 58 min |
| Apr 26, 8:46 PM CDT | Severe Thunderstorm Warning | TSA | Washington | 44 min |
| Apr 26, 9:15 PM CDT | Tornado Warning | TSA | Tulsa, Washington | 60 min |
| Apr 26, 9:39 PM CDT | Severe Thunderstorm Warning | TSA | Nowata, Rogers | 66 min |
| Apr 26, 9:44 PM CDT | Tornado Warning | TSA | Rogers | 46 min |
| Apr 26, 10:16 PM CDT | Severe Thunderstorm Warning | TSA | Osage, Pawnee | 59 min |
| Apr 26, 10:36 PM CDT | Severe Thunderstorm Warning | TSA | Craig | 69 min |
| Apr 26, 10:49 PM CDT | Tornado Warning | TSA | Craig | 56 min |
| Apr 26, 11:03 PM CDT | Severe Thunderstorm Warning | TSA | Latimer | 57 min |
| Apr 26, 11:06 PM CDT | Severe Thunderstorm Warning | TSA | LeFlore | 69 min |
| Apr 26, 11:09 PM CDT | Tornado Warning | TSA | Ottawa | 51 min |
| Apr 26, 11:18 PM CDT | Severe Thunderstorm Warning | TSA | Creek, Osage, Tulsa, Washington | 57 min |
| Apr 26, 11:18 PM CDT | Severe Thunderstorm Warning | TSA | Nowata | 57 min |
| Apr 26, 11:38 PM CDT | Tornado Warning | TSA | LeFlore | 67 min |
| Apr 26, 11:49 PM CDT | Severe Thunderstorm Warning | TSA | Okfuskee | 41 min |
| Apr 26, 11:58 PM CDT | Severe Thunderstorm Warning | TSA | Rogers | 47 min |
| Apr 27, 12:25 AM CDT | Tornado Warning | TSA | Craig, Mayes | 35 min |
| Apr 27, 12:20 AM CDT | Severe Thunderstorm Warning | TSA | Sebastian | 55 min |
Nearby
Severe Thunderstorm Warnings in Arkansas, 1991Every severe thunderstorm warning in 1991
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.