Alert archive / Oklahoma / Severe Thunderstorm Warnings in 1999
Severe Thunderstorm Warning 381, NWS Tulsa, OK
NWS Tulsa, OK issued this severe thunderstorm warning at Jun 24, 1999, 3:24 PM CDT for LeFlore County, Oklahoma; Sebastian County, Arkansas. It was in force for 51 min. 2 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
- Jun 24, 1999, 3:24 PM CDT (20:24 UTC)
- Expired
- Jun 24, 1999, 4:15 PM CDT
- In force
- 51 min
- Issued by
- NWS Tulsa, OK
- Area
- Whole counties; the outline is the Mesonet’s reconstruction
Counties Sebastian County, AR, LeFlore County, OK
The radar
The Western Arkansas radar (KSRX), 29 km from the middle of the area, began a volume at 20:27 UTC, the scan nearest the moment this went out.
Open the radar archive at this moment
The archived warnings, watches and discussions in force at that minute are drawn over the scan, this one among them.
What was reported inside it
| Time | Report | Where | Remark |
|---|---|---|---|
| Jun 24, 3:30 PM CDT | Thunderstorm Wind | Heavener, OK | Tree damage was reported south of Heavener. |
| Jun 24, 3:38 PM CDT | Thunderstorm Wind 52 | Hodgen, 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.
The watch it was issued in
The SPC watch in force over the same counties when this warning went out.
| Issued | Product | Office | Lasted |
|---|---|---|---|
| Jun 24, 1:30 PM CDT | Severe Thunderstorm Watch | SPC | 6 hr |
The nearest sounding before it
Springfield, MO (KSGF), launched 12:00Z, 8.4 hours before the alert went out and 215 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
- 481 J/kg
- Mixed-layer CIN
- -111 J/kg
- Mixed-layer LCL
- 903 m above ground
- 0-6 km bulk shear
- 25 kt
- 0-1 km storm-relative helicity
- 58 m²/s²
- 0-3 km storm-relative helicity
- 92 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.6
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 Jun 24, 1:20 PM CDT, 2 hours 4 minutes earlier.
Area forecast discussion, Jun 24, 1:20 PM CDT, 2 hours 4 minutes before
EASTERN OKLAHOMA/NORTHWEST ARKANSAS FORECAST DISCUSSION NATIONAL WEATHER SERVICE TULSA OK 120 PM CDT THU JUN 24 1999 UPDATED ZONES TO INCLUDE SEVERE THUNDERSTORM WATCH PORTIONS OF EASTERN OKLAHOMA AND WEST CENTRAL ARKANSAS. FCSTID = 33 .TUL... AR...NONE. OK...FLASH FLOOD WATCH IN EFFECT UNTIL 600 PM PORTIONS OF NORTHEAST OKLAHOMA.
In the hours before
Local storm report, Jun 24, 2:09 PM CDT, 1 hour 15 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE TULSA OK
411 PM CDT WED JUN 23 1999
TIME(CDT) .....CITY LOCATION..... STATE ...EVENT/REMARKS...
....COUNTY LOCATION....
0630 AM TULSA OK WIND DAMAGE
06/23/99 TULSA *** 1 INJ ***
3-FOOT DIAMETER TREE
BLOWN OVER. 2-FOOT
DIAMETER TREE AND
SEVERAL OTHER LARGE
TREE LIMBS SNAPPED OFF.
LARGE TENT BLOWN
DOWN...CAUSING ONE
MINOR INJURY. OCCURRED
IN WEST TULSA AT 65TH
W. AVE. AND CHARLES
\ PAGE BLVD.Local storm report, Jun 24, 2:09 PM CDT, 1 hour 15 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE TULSA OK
411 PM CDT WED JUN 23 1999
TIME(CDT) .....CITY LOCATION..... STATE ...EVENT/REMARKS...
....COUNTY LOCATION....
0630 AM TULSA OK WIND DAMAGE
06/23/99 TULSA *** 1 INJ ***
3-FOOT DIAMETER TREE
BLOWN OVER. 2-FOOT
DIAMETER TREE AND
SEVERAL OTHER LARGE
TREE LIMBS SNAPPED OFF.
LARGE TENT BLOWN
DOWN...CAUSING ONE
MINOR INJURY. OCCURRED
IN WEST TULSA AT 65TH
W. AVE. AND CHARLES
\ PAGE BLVD.Local storm report, Jun 24, 2:33 PM CDT, 51 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE TULSA OK
233 PM CDT THU JUN 24 1999
TIME(CDT) .....CITY LOCATION..... STATE ...EVENT/REMARKS...
....COUNTY LOCATION....
0231 PM FT SMITH AR .75 INCH HAIL
06/24/99 SEBASTIANLocal storm report, Jun 24, 2:33 PM CDT, 51 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE TULSA OK
233 PM CDT THU JUN 24 1999
TIME(CDT) .....CITY LOCATION..... STATE ...EVENT/REMARKS...
....COUNTY LOCATION....
0231 PM FT SMITH AR .75 INCH HAIL
06/24/99 SEBASTIANLocal storm report, Jun 24, 2:51 PM CDT, 33 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE TULSA OK
251 PM CDT THU JUN 24 1999
TIME(CDT) .....CITY LOCATION..... STATE ...EVENT/REMARKS...
....COUNTY LOCATION....
0249 PM FT SMITH AR FLOOD
06/24/99 SEBASTIAN SEVERAL CARS UNDER
WATER NEAR 16TH AND GRANDLocal storm report, Jun 24, 2:51 PM CDT, 33 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE TULSA OK
251 PM CDT THU JUN 24 1999
TIME(CDT) .....CITY LOCATION..... STATE ...EVENT/REMARKS...
....COUNTY LOCATION....
0249 PM FT SMITH AR FLOOD
06/24/99 SEBASTIAN SEVERAL CARS UNDER
WATER NEAR 16TH AND GRANDThe office that day
Everything else NWS Tulsa, OK issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jun 24, 9:26 AM CDT | Severe Thunderstorm Warning | TSA | Osage | 49 min |
| Jun 24, 11:49 AM CDT | Severe Thunderstorm Warning | TSA | Pawnee | 41 min |
| Jun 24, 1:00 PM CDT | Severe Thunderstorm Warning | TSA | Creek | 45 min |
| Jun 24, 1:14 PM CDT | Severe Thunderstorm Warning | TSA | McIntosh, Okfuskee, Okmulgee | 61 min |
| Jun 24, 1:44 PM CDT | Severe Thunderstorm Warning | TSA | Muskogee | 46 min |
| Jun 24, 3:36 PM CDT | Flash Flood Warning | TSA | Sequoyah | 114 min |
| Jun 24, 2:37 PM CDT | Flash Flood Warning | TSA | Sebastian | 113 min |
Nearby
Severe Thunderstorm Warnings in Oklahoma, 1999Severe 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; verification from NCEI's Storm Data; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.