Alert archive / Oklahoma / Severe Thunderstorm Warnings in 2002
Severe Thunderstorm Warning 210, NWS Tulsa, OK
NWS Tulsa, OK issued this severe thunderstorm warning at Jul 10, 2002, 7:32 PM CDT for Adair County, Cherokee County, Oklahoma; Benton County, Washington County, Arkansas. It was in force for 58 min. 2 reports came from inside the area while it was in force.
The area
The outline as issued, with what was reported inside it.
The facts
- Issued
- Jul 10, 2002, 7:32 PM CDT (00:32 UTC)
- Expired
- Jul 10, 2002, 8:30 PM CDT
- In force
- 58 min
- Issued by
- NWS Tulsa, OK
- Area
- Counties, with a storm outline in the text
Counties Benton County, AR, Washington County, AR, Adair County, OK, Cherokee County, OK
The radar
The Western Arkansas radar (KSRX), 87 km from the middle of the area, began a volume at 00:34 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 |
|---|---|---|---|
| Jul 10, 8:02 PM CDT | Thunderstorm Wind 52 E | Tahlequah, OK | |
| Jul 10, 8:25 PM CDT | Thunderstorm Wind 61 E | Tahlequah, OK | Thunderstorm winds estimated at 70 miles an hour blew down a few large trees. |
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, 0.5 hours before the alert went out and 110 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
- 59 J/kg
- Mixed-layer CIN
- -248 J/kg
- Mixed-layer LCL
- 1545 m above ground
- 0-6 km bulk shear
- 19 kt
- 0-1 km storm-relative helicity
- -21 m²/s²
- 0-3 km storm-relative helicity
- 1 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- -0.0
The text
As transmitted, in the capitals the NWS used until 2016.
648
WUUS54 KTSA 110032
SVRTUL
ARC007-143-OKC001-021-110130-
BULLETIN - EAS ACTIVATION REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE TULSA OK
732 PM CDT WED JUL 10 2002
THE NATIONAL WEATHER SERVICE IN TULSA HAS ISSUED A
* SEVERE THUNDERSTORM WARNING FOR...
CHEROKEE COUNTY IN EAST CENTRAL OKLAHOMA
ADAIR COUNTY IN NORTHEAST OKLAHOMA
BENTON COUNTY IN NORTHWEST ARKANSAS
WASHINGTON COUNTY IN NORTHWEST ARKANSAS
* UNTIL 830 PM CDT
* AT 731 PM CDT...DOPPLER RADAR INDICATED SEVERE THUNDERSTORMS ALONG
A LINE EXTENDING FROM 11 MILES NORTH OF SPRINGTOWN TO 11 MILES
NORTH OF SCRAPER TO 8 MILES WEST OF PEGGS...MOVING SOUTH AT 40 MPH.
WIND GUSTS OF 60 TO 70 MPH CAN BE EXPECTED IN THE WARNED AREA. STAY
INDOORS AND AWAY FROM WINDOWS UNTIL THE STORM HAS PASSED.
LAT...LON 3652 9394 3621 9457 3606 9524 3565 9512
3575 9449 3578 9399The office that day
Everything else NWS Tulsa, OK issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jul 10, 7:09 PM CDT | Severe Thunderstorm Warning | TSA | Osage | 36 min |
| Jul 10, 7:12 PM CDT | Severe Thunderstorm Warning | TSA | Osage | 33 min |
| Jul 10, 8:09 PM CDT | Severe Thunderstorm Warning | TSA | Muskogee, Okmulgee | 51 min |
| Jul 10, 9:08 PM CDT | Severe Thunderstorm Warning | TSA | Okfuskee | 52 min |
Nearby
Severe Thunderstorm Warnings in Oklahoma, 2002Severe Thunderstorm Warnings in Arkansas, 2002Every severe thunderstorm warning in 2002
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.