Alert archive / Oklahoma / Severe Thunderstorm Warnings in 2001
Severe Thunderstorm Warning 249, NWS Tulsa, OK
NWS Tulsa, OK issued this severe thunderstorm warning at Jun 3, 2001, 3:14 AM CDT for Delaware County, Ottawa County, Oklahoma. It was in force for 61 min. 2 reports 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
- Jun 3, 2001, 3:14 AM CDT (08:14 UTC)
- Expired
- Jun 3, 2001, 4:15 AM CDT
- In force
- 61 min
- Issued by
- NWS Tulsa, OK
- Area
- Whole counties; the outline is the Mesonet’s reconstruction
Counties Delaware County, OK, Ottawa County, OK
The radar
The Tulsa radar (KINX), 87 km from the middle of the area, began a volume at 08:15 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 3, 3:25 AM CDT | Hail 0.75 | Fairland, OK | |
| Jun 3, 3:45 AM CDT | Hail 1 | Grove, 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 nearest sounding before it
Springfield, MO (KSGF), launched 00:00Z, 8.2 hours before the alert went out and 96 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
- 1361 m above ground
- 0-6 km bulk shear
- 49 kt
- 0-1 km storm-relative helicity
- 38 m²/s²
- 0-3 km storm-relative helicity
- 147 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted, in the capitals the NWS used until 2016.
000 WUUS54 KTSA 030814 SVRTUL OKC041-115-030915- BULLETIN - EAS ACTIVATION REQUESTED SEVERE THUNDERSTORM WARNING NATIONAL WEATHER SERVICE TULSA OK 314 AM CDT SUN JUN 3 2001 THE NATIONAL WEATHER SERVICE IN TULSA HAS ISSUED A * SEVERE THUNDERSTORM WARNING FOR... NORTHERN DELAWARE COUNTY IN NORTHEAST OKLAHOMA SOUTHERN OTTAWA COUNTY IN NORTHEAST OKLAHOMA * UNTIL 415 AM CDT * AT 314 AM CDT...DOPPLER RADAR INDICATED A SEVERE THUNDERSTORM 3 MILES EAST OF AFTON...MOVING EAST AT 15 MPH. * SOME LOCATIONS NEAR THE PATH OF THIS STORM INCLUDE...WYANDOTTE... FAIRLAND...AFTON...BERNICE AND GROVE. HAIL TO THE SIZE OF NICKELS AND WIND GUSTS TO 60 MPH CAN BE EXPECTED IN THE WARNED AREA. LAT...LON 3678 9504 3660 9504 3656 9457 3680 9457
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 2, 9:50 PM CDT, 5 hours 24 minutes earlier.
Area forecast discussion, Jun 2, 9:50 PM CDT, 5 hours 24 minutes before
EASTERN OKLAHOMA/NORTHWEST ARKANSAS FORECAST DISCUSSION NATIONAL WEATHER SERVICE TULSA OK 950 PM CDT SAT JUN 2 2001 LATEST SATELLITE IMAGERY SHOWING BAND OF STRATUS MOVING NORTH ACROSS THE NW CWA WITH MORE FORMING ACROSS THE SOUTH. STORM COMPLEX OUT WEST HAVING A HARD TIME GETTING GOING BUT LATEST MESO ETA BREAKING OUT A LARGE AREA OF WARM ADVECTION PRECIP OVERNIGHT. THEREFORE... WILL NOT MAKE MANY CHANGES TO CURRENT FORECAST AND JUST oMAKE SOME UPDATES TO EVENING WORDING AT THIS TIME. UPDATE OUT SHORTLY. HOWIESON FCSTID = 44 .TSA... AR...NONE. OK...NONE.
The office that day
Everything else NWS Tulsa, OK issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jun 3, 3:42 AM CDT | Severe Thunderstorm Warning | TSA | Nowata | 48 min |
| Jun 3, 4:15 AM CDT | Severe Thunderstorm Warning | TSA | Delaware, Ottawa | 45 min |
| Jun 3, 5:58 AM CDT | Flash Flood Warning | TSA | Ottawa | 2 hr |
| Jun 3, 9:52 AM CDT | Severe Thunderstorm Warning | TSA | Craig, Nowata | 53 min |
Nearby
Severe Thunderstorm Warnings in Oklahoma, 2001Every severe thunderstorm warning in 2001
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.