Alert archive / Oklahoma / Severe Thunderstorm Warnings in 2000
Severe Thunderstorm Warning 310, NWS Tulsa, OK
NWS Tulsa, OK issued this severe thunderstorm warning at Sep 23, 2000, 3:42 PM CDT for Cherokee County, Oklahoma. It was in force for 48 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
- Sep 23, 2000, 3:42 PM CDT (20:42 UTC)
- Expired
- Sep 23, 2000, 4:30 PM CDT
- In force
- 48 min
- Issued by
- NWS Tulsa, OK
- Area
- Whole counties; the outline is the Mesonet’s reconstruction
County Cherokee County, OK
The radar
The Tulsa radar (KINX), 45 km from the middle of the area, began a volume at 20:42 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 |
|---|---|---|---|
| Sep 23, 4:15 PM CDT | Hail 1 | Lost City, 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 12:00Z, 8.7 hours before the alert went out and 149 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
- 1914 m above ground
- 0-6 km bulk shear
- 44 kt
- 0-1 km storm-relative helicity
- -39 m²/s²
- 0-3 km storm-relative helicity
- 55 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 232043 SVRTUL OKC021-232130- BULLETIN - EAS ACTIVATION REQUESTED SEVERE THUNDERSTORM WARNING NATIONAL WEATHER SERVICE TULSA OK 342 PM CDT SAT SEP 23 2000 THE NATIONAL WEATHER SERVICE IN TULSA HAS ISSUED A * SEVERE THUNDERSTORM WARNING FOR... NORTHERN CHEROKEE COUNTY IN EAST CENTRAL OKLAHOMA * UNTIL 430 PM CDT * AT 342 PM CDT...DOPPLER RADAR INDICATED A SEVERE THUNDERSTORM 2 MILES WEST OF HULBERT...MOVING NORTHEAST AT 20 MPH. * SOME LOCATIONS NEAR THE PATH OF THIS STORM INCLUDE...SCRAPER... PEGGS AND HULBERT. HAIL TO THE SIZE OF NICKELS AND WIND GUSTS TO 65 MPH CAN BE EXPECTED IN THE WARNED AREA. LAT...LON 3605 9527 3589 9517 3606 9476 3619 9495
The office that day
Everything else NWS Tulsa, OK issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Sep 23, 12:53 AM CDT | Severe Thunderstorm Warning | TSA | Nowata | 37 min |
| Sep 23, 1:15 AM CDT | Severe Thunderstorm Warning | TSA | Craig | 45 min |
| Sep 23, 1:54 AM CDT | Severe Thunderstorm Warning | TSA | Craig, Delaware, Ottawa | 66 min |
| Sep 23, 4:24 PM CDT | Severe Thunderstorm Warning | TSA | Cherokee | 51 min |
| Sep 23, 4:39 PM CDT | Severe Thunderstorm Warning | TSA | Haskell, Pittsburg | 51 min |
| Sep 23, 4:50 PM CDT | Severe Thunderstorm Warning | TSA | Delaware | 55 min |
| Sep 23, 4:56 PM CDT | Severe Thunderstorm Warning | TSA | Adair | 49 min |
| Sep 23, 5:28 PM CDT | Severe Thunderstorm Warning | TSA | Haskell, Pittsburg | 62 min |
| Sep 23, 5:57 PM CDT | Severe Thunderstorm Warning | TSA | Sequoyah | 33 min |
| Sep 23, 6:13 PM CDT | Severe Thunderstorm Warning | TSA | Latimer | 62 min |
| Sep 23, 6:40 PM CDT | Severe Thunderstorm Warning | TSA | LeFlore | 50 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; radar from the NEXRAD Level II archive.