Alert archive / Oklahoma / Severe Thunderstorm Warnings in 1999
Severe Thunderstorm Warning 359, NWS Tulsa, OK
NWS Tulsa, OK issued this severe thunderstorm warning at Jun 1, 1999, 9:31 PM CDT for Choctaw County, Oklahoma. It was in force for 44 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
- Jun 1, 1999, 9:31 PM CDT (02:31 UTC)
- Expired
- Jun 1, 1999, 10:15 PM CDT
- In force
- 44 min
- Issued by
- NWS Tulsa, OK
- Area
- Whole counties; the outline is the Mesonet’s reconstruction
County Choctaw County, OK
What was reported inside it
| Time | Report | Where | Remark |
|---|---|---|---|
| Jun 1, 9:46 PM CDT | Hail 1.75 | Hugo, 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 1, 5:00 PM CDT | Tornado Watch | SPC | 5 hr |
The nearest sounding before it
Fort Worth, TX (KFWD), launched 00:00Z, 2.5 hours before the alert went out and 209 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
- 3292 J/kg
- Mixed-layer CIN
- -59 J/kg
- Mixed-layer LCL
- 1516 m above ground
- 0-6 km bulk shear
- 29 kt
- 0-1 km storm-relative helicity
- 108 m²/s²
- 0-3 km storm-relative helicity
- 164 m²/s²
- Significant tornado parameter
- 1.2
- Supercell composite
- 28.2
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 1, 9:10 PM CDT, 21 minutes earlier.
Area forecast discussion, Jun 1, 9:10 PM CDT, 21 minutes before
EASTERN OKLAHOMA/NORTHWEST ARKANSAS FORECAST DISCUSSION NATIONAL WEATHER SERVICE TULSA OK 910 PM CDT TUE JUN 1 1999 JUST SENT OUT A QUICK UPDATE TO REMOVE TORNADO WATCH HEADLINES AND MENTION OF SEVERE IN ZONES WHERE THE TORNADO WATCH HAS BEEN CANCELLED. ALSO DID A QUICK REVAMP OF POPS TO MATCH CURRENT RADAR TRENDS. A MORE THOROUGH UPDATE WILL BE FORTHCOMING WHEN THE CURRENT TORNADO WATCHES EXPIRE AT 10 PM. FCSTID = 19 .TUL... AR...NONE. OK...NONE.
In the hours before
Local storm report, Jun 1, 8:14 PM CDT, 1 hour 17 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE TULSA OK
814 PM CDT TUE JUN 01 1999
TIME(CDT) .....CITY LOCATION..... STATE ...EVENT/REMARKS...
....COUNTY LOCATION....
0813 PM 3 E VAN BUREN AR 60 MPH TSTM GUST
06/01/99 CRAWFORDLocal storm report, Jun 1, 8:14 PM CDT, 1 hour 17 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE TULSA OK
814 PM CDT TUE JUN 01 1999
TIME(CDT) .....CITY LOCATION..... STATE ...EVENT/REMARKS...
....COUNTY LOCATION....
0813 PM 3 E VAN BUREN AR 60 MPH TSTM GUST
06/01/99 CRAWFORDLocal storm report, Jun 1, 8:33 PM CDT, 58 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE TULSA OK
833 PM CDT TUE JUN 01 1999
TIME(CDT) .....CITY LOCATION..... STATE ...EVENT/REMARKS...
....COUNTY LOCATION....
0827 PM 4 W HACKETT AR 60 MPH TSTM GUST
06/01/99 SEBASTIAN
0833 PM HUNTINGTON AR 65 MPH TSTM GUST
06/01/99 SEBASTIANLocal storm report, Jun 1, 8:33 PM CDT, 58 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE TULSA OK
833 PM CDT TUE JUN 01 1999
TIME(CDT) .....CITY LOCATION..... STATE ...EVENT/REMARKS...
....COUNTY LOCATION....
0827 PM 4 W HACKETT AR 60 MPH TSTM GUST
06/01/99 SEBASTIAN
0833 PM HUNTINGTON AR 65 MPH TSTM GUST
06/01/99 SEBASTIANSpecial weather statement, Jun 1, 8:40 PM CDT, 51 minutes before
SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE TULSA OK 840 PM CDT TUE JUN 1 1999 OKZ057-058-061>063-065>072-ARZ001-020200- TORNADO WATCH 352 IS NO LONGER IN EFFECT FOR THE FOLLOWING COUNTIES IN EASTERN OKLAHOMA... ADAIR CHEROKEE CRAIG DELAWARE MAYES MCINTOSH MUSKOGEE OKFUSKEE OKMULGEE OTTAWA ROGERS SEQUOYAH WAGONER NORTHWEST ARKANSAS... BENTON OKZ074-ARZ002-010-011-019-020-029-020200- TORNADO WATCH 352 REMAINS IN EFFECT UNTIL 1000 PM CDT FOR THE FOLLOWING COUNTIES IN EASTERN OKLAHOMA... HASKELL NORTHWEST ARKANSAS... CARROLL CRAWFORD FRANKLIN MADISON SEBASTIAN WASHINGTON OKZ049-053-073-075-076-020200- TORNADO WATCH 354 REMAINS IN EFFECT UNTIL 1000 PM CDT FOR THE FOLLOWING COUNTIES IN EASTERN OKLAHOMA... CHOCTAW LATIMER LEFLORE PITTSBURG PUSHMATAHA
Special weather statement, Jun 1, 8:40 PM CDT, 51 minutes before
SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE TULSA OK 840 PM CDT TUE JUN 1 1999 OKZ057-058-061>063-065>072-ARZ001-020200- TORNADO WATCH 352 IS NO LONGER IN EFFECT FOR THE FOLLOWING COUNTIES IN EASTERN OKLAHOMA... ADAIR CHEROKEE CRAIG DELAWARE MAYES MCINTOSH MUSKOGEE OKFUSKEE OKMULGEE OTTAWA ROGERS SEQUOYAH WAGONER NORTHWEST ARKANSAS... BENTON OKZ074-ARZ002-010-011-019-020-029-020200- TORNADO WATCH 352 REMAINS IN EFFECT UNTIL 1000 PM CDT FOR THE FOLLOWING COUNTIES IN EASTERN OKLAHOMA... HASKELL NORTHWEST ARKANSAS... CARROLL CRAWFORD FRANKLIN MADISON SEBASTIAN WASHINGTON OKZ049-053-073-075-076-020200- TORNADO WATCH 354 REMAINS IN EFFECT UNTIL 1000 PM CDT FOR THE FOLLOWING COUNTIES IN EASTERN OKLAHOMA... CHOCTAW LATIMER LEFLORE PITTSBURG PUSHMATAHA
The office that day
Everything else NWS Tulsa, OK issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jun 1, 7:04 PM CDT | Tornado Warning | TSA | Haskell, McIntosh, Muskogee | 41 min |
| Jun 1, 7:12 PM CDT | Severe Thunderstorm Warning | TSA | Pittsburg | 48 min |
| Jun 1, 7:21 PM CDT | Severe Thunderstorm Warning | TSA | Sequoyah | 39 min |
| Jun 1, 7:27 PM CDT | Tornado Warning | TSA | Pittsburg | 33 min |
| Jun 1, 7:40 PM CDT | Tornado Warning | TSA | Haskell, McIntosh, Muskogee | 50 min |
| Jun 1, 7:47 PM CDT | Severe Thunderstorm Warning | TSA | Sequoyah | 58 min |
| Jun 1, 7:47 PM CDT | Severe Thunderstorm Warning | TSA | LeFlore | 58 min |
| Jun 1, 8:26 PM CDT | Tornado Warning | TSA | Haskell, Latimer, Pittsburg | 49 min |
| Jun 1, 8:41 PM CDT | Severe Thunderstorm Warning | TSA | LeFlore | 49 min |
| Jun 1, 8:44 PM CDT | Severe Thunderstorm Warning | TSA | Choctaw | 46 min |
| Jun 1, 9:16 PM CDT | Tornado Warning | TSA | Latimer | 29 min |
| Jun 1, 9:26 PM CDT | Severe Thunderstorm Warning | TSA | LeFlore | 49 min |
| Jun 1, 9:56 PM CDT | Severe Thunderstorm Warning | TSA | Carroll, Madison | 49 min |
Nearby
Severe Thunderstorm Warnings in Oklahoma, 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.