Alert archive / Arkansas / Severe Thunderstorm Warnings in 1999
Severe Thunderstorm Warning 152, NWS Tulsa, OK
NWS Tulsa, OK issued this severe thunderstorm warning at Apr 26, 1999, 1:05 PM CDT for Crawford County, Arkansas. It was in force for 40 min. No storm report in the archive falls inside the area while it was in force.
The area
The counties it named.
The facts
- Issued
- Apr 26, 1999, 1:05 PM CDT (18:05 UTC)
- Expired
- Apr 26, 1999, 1:45 PM CDT
- In force
- 40 min
- Issued by
- NWS Tulsa, OK
- Area
- Whole counties; the outline is the Mesonet’s reconstruction
County Crawford County, AR
The nearest sounding before it
Springfield, MO (KSGF), launched 12:00Z, 6.1 hours before the alert went out and 151 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
- 248 J/kg
- Mixed-layer CIN
- -13 J/kg
- Mixed-layer LCL
- 477 m above ground
- 0-6 km bulk shear
- 31 kt
- 0-1 km storm-relative helicity
- 106 m²/s²
- 0-3 km storm-relative helicity
- 137 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
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.
NWS Tulsa, OK wrote its last area forecast discussion before this severe thunderstorm warning went out at Apr 26, 9:40 AM CDT, 3 hours 25 minutes earlier.
Area forecast discussion, Apr 26, 9:40 AM CDT, 3 hours 25 minutes before
EASTERN OKLAHOMA/NORTHWEST ARKANSAS FORECAST DISCUSSION NATIONAL WEATHER SERVICE TULSA OK 940 AM CDT MON APR 26 1999 WALKED INTO A BUZZ SAW THIS MORNING WITH AWIPS PROBLEMS AND SEVERE WEATHER. HAVE ISSUED A FLASH FLOOD WATCH FOR ENTIRE AREA AGAIN TODAY AS ANY ADDITIONAL RAINS WILL MOST CERTAINLY CAUSE ADDITIONAL RISES AND FLOODING DUE TO RECENT HEAVY RAINS ACROSS MOST OF THE CWA. LATEST 1HR AND 3HR FFG VALUES RUNNING 1.5 INCHES OR LESS WITH MANY 1HRS BELOW 1.00 INCH. UPDATED ZONES AND FFA ALREADY SENT. HOWIESON FCSTID = 44 .TUL... AR...FFA ALL ZONES TODAY. OK...FFA ALL ZONES TODAY.
In the hours before
Local storm report, Apr 26, 11:45 AM CDT, 1 hour 20 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE TULSA OK
1145 AM CDT MON APR 26 1999
TIME(CDT) .....CITY LOCATION..... STATE ...EVENT/REMARKS...
....COUNTY LOCATION....
0900 AM OKEMAH OK WIND DAMAGE
04/26/99 OKFUSKEE SMALL TREE LIMBS DOWN
ABOUT 1 INCH IN DIAMETER.
1118 AM BIXBY OK WIND DAMAGE
04/26/99 TULSA MOBILE TURNED OVER NEAR
181ST AND YALE. NOT
OCCUPIED AT THE TIME.Local storm report, Apr 26, 11:55 AM CDT, 1 hour 10 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE TULSA OK
1155 AM CDT MON APR 26 1999
TIME(CDT) .....CITY LOCATION..... STATE ...EVENT/REMARKS...
....COUNTY LOCATION....
0900 AM OKEMAH OK WIND DAMAGE
04/26/99 OKFUSKEE SMALL TREE LIMBS DOWN
ABOUT 1 INCH IN DIAMETER.
1118 AM BIXBY OK WIND DAMAGE
04/26/99 TULSA MOBILE HOME OVERTURNED
AT 181ST AND YALE. NOT
OCCUPIED AT THE TIME.Special weather statement, Apr 26, 1:00 PM CDT, 5 minutes before
ARZ001-002-010-011-019-020-029-OKZ049-053>076-271100- EASTERN OKLAHOMA/NORTHWEST ARKANSAS HAZARDOUS WEATHER OUTLOOK NATIONAL WEATHER SERVICE TULSA OK 100 PM CDT MON APR 26 1999 ...FLASH FLOODING WILL CONTINUE THROUGH TODAY... ...ISOLATED SEVERE THUNDERSTORMS WILL BE POSSIBLE TODAY AND THIS EVENING OVER MUCH OF EASTERN OKLAHOMA AND NORTHWEST ARKANSAS... .SYNOPSIS... AN UPPER LOW OVER SOUTHEAST COLORADO WILL MOVE THROUGH SOUTHERN KANSAS INTO SOUTHWESTERN MISSOURI BY TUESDAY MORNING. NUMEROUS STRONG TO OCCASIONALLY SEVERE THUNDERSTORMS AHEAD OF THIS FEATURE WILL CONTINUING MOVING THROUGH EASTERN OKLAHOMA AND NORTHWEST ARKANSAS THROUGH EARLY TONIGHT. .DISCUSSION... A LARGE AREA OF SHOWERS AND THUNDERSTORMS WILL CONTINUE TO INCREASE IN INTENSITY THIS AFTERNOON OVER FAR NORTHEASTERN OKLAHOMA AND NORTHWEST ARKANSAS AS THEY ENCOUNTER A MORE UNSTABLE AIRMASS. ISOLATED SEVERE THUNDERSTORMS...CAPABLE OF PRODUCING LARGE HAIL AND DAMAGING DOWNBURST WINDS...WILL BE POSSIBLE THROUGH THE LATE AFTERNOON. LOCALIZED FLASH FLOODING WILL BE POSSIBLE AS WELL...ESPECIALLY OVER FAR NORTHEAST OKLAHOMA WHERE EXCESSIVE RAINFALL HAS OCCURRED OVER THE PAST 2 DAYS. AS THE UPPER LOW MOVES EAST...COLDER MID-LEVEL TEMPERATURES WILL OVERSPREAD THE AREA LATE THIS AFTERNOON. DENSE CLOUD COVER FROM THIS MORNINGS CONVECTION WILL HAMPER WARMING THROUGH MUCH OF THE AFTERNOON...BUT ENOUGH CLEARING IS EXPECTED FOR THE ATMOSPHERE TO BECOME INCREASINGLY UNSTABLE BY LATE AFTERNOON. SCATTERED THUNDERSTORMS SHOULD REDEVELOP OVER PARTS OF KANSAS AND CENTRAL AND EASTERN OKLAHOMA BY LATE AFTERNOON ALONG AND AHEAD OF THE DRYLINE...AND EVENTUALLY MOVE INTO PARTS OF NORTHWEST ARKANSAS DURING THE EVENING. GIVEN THE VERY COLD TEMPERATURES ALOFT...LARGE HAIL AND DAMAGING WINDS WILL BE THE PRIMARY SEVERE WEATHER THREAT FROM THESE MULTICELL THUNDERSTORMS. WITH THE LOSS OF DAYTIME HEATING...THUNDERSTORMS SHOULD DECREASE IN STRENGTH AND COVERAGE BY LATE EVENING. .EMERGENCY MANAGEMENT AGENCY AND SPOTTER ACTIVATION... SPOTTER ACTIVATION IS CURRENTLY IN EFFECT AND MAY CONTINUE INTO THE EVENING.
Special weather statement, Apr 26, 1:00 PM CDT, 5 minutes before
ARZ001-002-010-011-019-020-029-OKZ049-053>076-271100- EASTERN OKLAHOMA/NORTHWEST ARKANSAS HAZARDOUS WEATHER OUTLOOK NATIONAL WEATHER SERVICE TULSA OK 100 PM CDT MON APR 26 1999 ...FLASH FLOODING WILL CONTINUE THROUGH TODAY... ...ISOLATED SEVERE THUNDERSTORMS WILL BE POSSIBLE TODAY AND THIS EVENING OVER MUCH OF EASTERN OKLAHOMA AND NORTHWEST ARKANSAS... .SYNOPSIS... AN UPPER LOW OVER SOUTHEAST COLORADO WILL MOVE THROUGH SOUTHERN KANSAS INTO SOUTHWESTERN MISSOURI BY TUESDAY MORNING. NUMEROUS STRONG TO OCCASIONALLY SEVERE THUNDERSTORMS AHEAD OF THIS FEATURE WILL CONTINUING MOVING THROUGH EASTERN OKLAHOMA AND NORTHWEST ARKANSAS THROUGH EARLY TONIGHT. .DISCUSSION... A LARGE AREA OF SHOWERS AND THUNDERSTORMS WILL CONTINUE TO INCREASE IN INTENSITY THIS AFTERNOON OVER FAR NORTHEASTERN OKLAHOMA AND NORTHWEST ARKANSAS AS THEY ENCOUNTER A MORE UNSTABLE AIRMASS. ISOLATED SEVERE THUNDERSTORMS...CAPABLE OF PRODUCING LARGE HAIL AND DAMAGING DOWNBURST WINDS...WILL BE POSSIBLE THROUGH THE LATE AFTERNOON. LOCALIZED FLASH FLOODING WILL BE POSSIBLE AS WELL...ESPECIALLY OVER FAR NORTHEAST OKLAHOMA WHERE EXCESSIVE RAINFALL HAS OCCURRED OVER THE PAST 2 DAYS. AS THE UPPER LOW MOVES EAST...COLDER MID-LEVEL TEMPERATURES WILL OVERSPREAD THE AREA LATE THIS AFTERNOON. DENSE CLOUD COVER FROM THIS MORNINGS CONVECTION WILL HAMPER WARMING THROUGH MUCH OF THE AFTERNOON...BUT ENOUGH CLEARING IS EXPECTED FOR THE ATMOSPHERE TO BECOME INCREASINGLY UNSTABLE BY LATE AFTERNOON. SCATTERED THUNDERSTORMS SHOULD REDEVELOP OVER PARTS OF KANSAS AND CENTRAL AND EASTERN OKLAHOMA BY LATE AFTERNOON ALONG AND AHEAD OF THE DRYLINE...AND EVENTUALLY MOVE INTO PARTS OF NORTHWEST ARKANSAS DURING THE EVENING. GIVEN THE VERY COLD TEMPERATURES ALOFT...LARGE HAIL AND DAMAGING WINDS WILL BE THE PRIMARY SEVERE WEATHER THREAT FROM THESE MULTICELL THUNDERSTORMS. WITH THE LOSS OF DAYTIME HEATING...THUNDERSTORMS SHOULD DECREASE IN STRENGTH AND COVERAGE BY LATE EVENING. .EMERGENCY MANAGEMENT AGENCY AND SPOTTER ACTIVATION... SPOTTER ACTIVATION IS CURRENTLY IN EFFECT AND MAY CONTINUE INTO THE EVENING.
The office that day
Everything else NWS Tulsa, OK issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Apr 26, 9:21 AM CDT | Severe Thunderstorm Warning | TSA | Creek | 24 min |
| Apr 26, 9:45 AM CDT | Flash Flood Warning | TSA | Creek, McIntosh, Okfuskee, Okmulgee, Tulsa | 4 hr |
| Apr 26, 9:45 AM CDT | Flash Flood Warning | TSA | Pittsburg | 4 hr |
| Apr 26, 11:27 AM CDT | Flash Flood Warning | TSA | Craig, Mayes, Nowata, Rogers, Wagoner, Washington | 3 hr |
| Apr 26, 11:27 AM CDT | Flash Flood Warning | TSA | Osage | 3 hr |
| Apr 26, 11:27 AM CDT | Flash Flood Warning | TSA | Muskogee | 3 hr |
| Apr 26, 11:57 AM CDT | Severe Thunderstorm Warning | TSA | LeFlore | 48 min |
| Apr 26, 12:33 PM CDT | Severe Thunderstorm Warning | TSA | Sequoyah | 42 min |
| Apr 26, 1:49 PM CDT | Flash Flood Warning | TSA | Craig, Ottawa | 116 min |
| Apr 26, 6:34 PM CDT | Severe Thunderstorm Warning | TSA | Pittsburg | 41 min |
| Apr 26, 1:15 PM CDT | Severe Thunderstorm Warning | TSA | Franklin, Sebastian | 30 min |
| Apr 26, 1:44 PM CDT | Severe Thunderstorm Warning | TSA | Franklin, Madison | 31 min |
Nearby
Severe Thunderstorm Warnings in Arkansas, 1999Every severe thunderstorm warning in 1999
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.