Alert archive / Oklahoma / Severe Thunderstorm Warnings in 2000
Severe Thunderstorm Warning 264, NWS Tulsa, OK
NWS Tulsa, OK issued this severe thunderstorm warning at May 27, 2000, 6:16 PM CDT for LeFlore County, Oklahoma. It was in force for 29 min. 1 report came from inside the area while it was in force.
The area
The outline the Iowa Environmental Mesonet reconstructed for it; the warning itself named whole counties, with what was reported inside it.
The facts
- Issued
- May 27, 2000, 6:16 PM CDT (23:16 UTC)
- Expired
- May 27, 2000, 6:45 PM CDT
- In force
- 29 min
- Issued by
- NWS Tulsa, OK
- Area
- Whole counties; the outline is the Mesonet’s reconstruction
County LeFlore County, OK
What was reported inside it
| Time | Report | Where | Remark |
|---|---|---|---|
| May 27, 6:25 PM CDT | Hail 0.75 | Zafra, 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 |
|---|---|---|---|
| May 27, 6:00 PM CDT | Severe Thunderstorm Watch | SPC | 5 hr |
The nearest sounding before it
Shreveport, LA (KSHV), launched 12:00Z, 11.3 hours before the alert went out and 235 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
- 1468 J/kg
- Mixed-layer CIN
- -134 J/kg
- Mixed-layer LCL
- 731 m above ground
- 0-6 km bulk shear
- 19 kt
- 0-1 km storm-relative helicity
- 242 m²/s²
- 0-3 km storm-relative helicity
- 200 m²/s²
- Significant tornado parameter
- 0.5
- Supercell composite
- 2.8
The text
As transmitted, in the capitals the NWS used until 2016.
941 WUUS54 KTSA 272317 SVRTUL OKC079-272345- BULLETIN - IMMEDIATE BROADCAST REQUESTED SEVERE THUNDERSTORM WARNING NATIONAL WEATHER SERVICE TULSA OK 616 PM CDT SAT MAY 27 2000 THE NATIONAL WEATHER SERVICE IN TULSA HAS ISSUED A * SEVERE THUNDERSTORM WARNING FOR... SOUTHEASTERN LE FLORE COUNTY IN SOUTHEAST OKLAHOMA * UNTIL 645 PM CDT * AT 616 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A SEVERE THUNDERSTORM 8 MILES SOUTHEAST OF BIG CEDAR...MOVING EAST AT 40 MPH. * SOME LOCATIONS NEAR THE PATH OF THIS STORM INCLUDE...ZAFRA. HAIL TO THE SIZE OF QUARTERS AND WIND GUSTS TO 65 MPH CAN BE EXPECTED IN THE WARNED AREA. BE ALERT FOR RAPIDLY CHANGING WEATHER CONDITIONS AS STORMS APPROACH. CALL 1-800-722-2778 TO REPORT SEVERE WEATHER TO THE NATIONAL WEATHER SERVICE. LAT...LON 3465 9468 3447 9470 3435 9377 3460 9374
The office that day
Everything else NWS Tulsa, OK issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| May 26, 7:07 PM CDT | Severe Thunderstorm Warning | TSA | Adair | 53 min |
| May 26, 10:13 PM CDT | Severe Thunderstorm Warning | TSA | Sequoyah | 47 min |
| May 26, 10:16 PM CDT | Severe Thunderstorm Warning | TSA | McIntosh | 44 min |
| May 26, 10:53 PM CDT | Severe Thunderstorm Warning | TSA | Sequoyah | 52 min |
| May 26, 11:04 PM CDT | Severe Thunderstorm Warning | TSA | Cherokee, Muskogee | 41 min |
| May 26, 11:05 PM CDT | Severe Thunderstorm Warning | TSA | McIntosh, Muskogee | 40 min |
| May 26, 11:09 PM CDT | Severe Thunderstorm Warning | TSA | Adair | 51 min |
| May 26, 11:18 PM CDT | Severe Thunderstorm Warning | TSA | Creek | 42 min |
| May 26, 11:41 PM CDT | Severe Thunderstorm Warning | TSA | Sequoyah | 49 min |
| May 26, 11:44 PM CDT | Severe Thunderstorm Warning | TSA | Okmulgee | 46 min |
| May 26, 11:53 PM CDT | Severe Thunderstorm Warning | TSA | Okfuskee | 52 min |
| May 27, 12:01 AM CDT | Severe Thunderstorm Warning | TSA | Muskogee | 59 min |
| May 27, 12:12 AM CDT | Flash Flood Warning | TSA | Adair, Sequoyah | 4 hr |
| May 27, 12:13 AM CDT | Severe Thunderstorm Warning | TSA | McIntosh | 62 min |
| May 27, 12:19 AM CDT | Severe Thunderstorm Warning | TSA | Wagoner | 41 min |
| May 27, 12:33 AM CDT | Severe Thunderstorm Warning | TSA | Muskogee | 42 min |
| May 27, 12:35 AM CDT | Severe Thunderstorm Warning | TSA | Choctaw | 55 min |
| May 27, 12:36 AM CDT | Severe Thunderstorm Warning | TSA | Cherokee | 39 min |
| May 27, 1:03 AM CDT | Severe Thunderstorm Warning | TSA | Adair, Cherokee | 42 min |
| May 27, 1:19 AM CDT | Severe Thunderstorm Warning | TSA | Sequoyah | 41 min |
Nearby
Severe Thunderstorm Warnings in Oklahoma, 2000Every severe thunderstorm warning in 2000
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.