Alert archive / Oklahoma / Tornado Warnings in 1991
Tornado Warning 9, NWS Tulsa, OK
NWS Tulsa, OK issued this tornado warning at Apr 26, 1991, 10:49 PM CDT for Craig County, Oklahoma. It was in force for 56 min. 1 report 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
- Apr 26, 1991, 10:49 PM CDT (03:49 UTC)
- Expired
- Apr 26, 1991, 11:45 PM CDT
- In force
- 56 min
- Issued by
- NWS Tulsa, OK
- Area
- Whole counties
County Craig County, OK
What was reported inside it
| Time | Report | Where | Remark |
|---|---|---|---|
| Apr 26, 10:54 PM CDT | Hail 0.88 | Craig, 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
Topeka, KS (KTOP), launched 00:00Z, 3.8 hours before the alert went out and 252 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
- 0 J/kg
- Mixed-layer CIN
- No buoyant parcel
- Mixed-layer LCL
- NaN m above ground
- 0-6 km bulk shear
- 79 kt
- 0-1 km storm-relative helicity
- 409 m²/s²
- 0-3 km storm-relative helicity
- 485 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 17.2
The text
As transmitted, in the capitals the NWS used until 2016.
000 TTAA00 KTUL 270345 TORTUL OKC035-270445- BULLETIN - EBS ACTIVATION REQUESTED TORNADO WARNING NATIONAL WEATHER SERVICE TULSA OK 1049 PM CDT FRI APR 26 1991 THE NATIONAL WEATHER SERVICE IN TULSA HAS ISSUED A TORNADO WARNING EFFECTIVE UNTIL 1145 PM CDT FOR PEOPLE IN THE FOLLOWING COUNTIES ... IN NORTHEAST OKLAHOMA ...CRAIG COUNTY AT 1047 PM THE TULSA WEATHER RADAR INDICATED A TORNADO 6 MILES WEST OF WHITE OAK MOVING TO THE NORTHEAST AT 25 MPH. WATCH FOR SIGNS OF DEVELOPING STORMS. LARGE HAILSTONES AND UNUSUALLY LOW SWIRLING CLOUDS ARE MANY TIMES SEEN NEAR DEVELOPING TORNADOES. STRONG DAMAGING WINDS AND TORNADOES OFTEN PRODUCE A LOUD ROARING SOUND THAT CAN BE HEARD IN THE VICINITY OF STORMS. FREQUENT AND DANGEROUS LIGHTNING OCCURS WITH MOST SEVERE THUNDERSTORMS. KEEP TUNED TO THIS STATION FOR THE LATEST WEATHER BULLETINS.
What forecasters said that day
The local office's own words before this tornado 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, 5 hours 7 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, 4 hours 14 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, 2 hours 39 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, 1 hour 53 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.Local storm report, Apr 26, 10:02 PM CDT, 47 minutes before
STORM REPORT
NATIONAL WEATHER SERVICE TULSA, OK
1000 PM CDT FRI APR 26 1991
ADDITIONAL STORM REPORTS RECEIVED BY NWS TUL SINCE 845 PM...
TIME(CDT) COUNTY REPORT
930 PM TULSA 60 MPH WINDS INTERSCTN HWY 75 AND 20.
935 PM TULSA 70 MPH WINDS INTERSCTN HWY 75 AND 20.
935 PM TULSA TORNADO TOUCHED DOWN INTERSCTN HWY 75
AND 126TH ST N -- EAST OF SKIATOOK
948 PM TULSA TORNADO ON THE GROUND NEAR OOLOGAHThe 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, 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 |
Nearby
Tornado Warnings in Oklahoma, 1991Every tornado warning in 1991Tornadoes 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; verification from NCEI's Storm Data; the sounding from the Mesonet's radiosonde archive.