Alert archive / Oklahoma / Special Weather Statements in 2021
Special Weather Statement, NWS Tulsa, OK
NWS Tulsa, OK issued this special weather statement at May 9, 2021, 2:08 AM CDT for Delaware County, Oklahoma. It was in force for 37 min. No storm report in the archive falls inside the area while it was in force.
The area
The outline as issued.
The facts
- Issued
- May 9, 2021, 2:08 AM CDT (07:08 UTC)
- Expired
- May 9, 2021, 2:45 AM CDT
- In force
- 37 min
- Issued by
- NWS Tulsa, OK
County Delaware County, OK
The radar
The Tulsa radar (KINX), 95 km from the middle of the area, began a volume at 07:07 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.
The nearest sounding before it
Springfield, MO (KSGF), launched 00:00Z, 7.1 hours before the alert went out and 83 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
- 2 J/kg
- Mixed-layer CIN
- -429 J/kg
- Mixed-layer LCL
- 2095 m above ground
- 0-6 km bulk shear
- 42 kt
- 0-1 km storm-relative helicity
- 177 m²/s²
- 0-3 km storm-relative helicity
- 370 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted.
953
WWUS84 KTSA 090708
SPSTSA
Special Weather Statement
National Weather Service Tulsa OK
208 AM CDT Sun May 9 2021
ARZ001-OKZ063-090745-
Benton AR-Delaware OK-
208 AM CDT Sun May 9 2021
...SIGNIFICANT WEATHER ADVISORY FOR NORTHWESTERN BENTON AND EAST
CENTRAL DELAWARE COUNTIES UNTIL 245 AM CDT...
At 208 AM CDT, a strong thunderstorm was located 5 miles northwest of
Maysville, moving east at 45 mph.
Nickel size hail and wind gusts up to 50 mph will be possible with
this storm.
Locations in or near the path include...
Bella Vista... Gravette...
Decatur... Maysville...
Hiwasse...
PRECAUTIONARY/PREPAREDNESS ACTIONS...
Torrential rainfall is also occurring with this storm, and may lead
to localized flooding. Do not drive your vehicle through flooded
roadways.
&&
LAT...LON 3650 9462 3650 9432 3634 9433 3640 9473
3653 9474 3654 9462
TIME...MOT...LOC 0708Z 269DEG 40KT 3645 9467
$$The office that day
Everything else NWS Tulsa, OK issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| May 8, 11:50 PM CDT | Special Weather Statement | TSA | Rogers | 25 min |
| May 9, 12:16 AM CDT | Special Weather Statement | TSA | Rogers | 29 min |
| May 9, 1:00 AM CDT | Special Weather Statement | TSA | Nowata | 30 min |
| May 9, 1:10 AM CDT | Severe Thunderstorm Warning | TSA | Craig, Nowata, Rogers | 24 min |
| May 9, 1:12 AM CDT | Special Weather Statement | TSA | Mayes | 33 min |
| May 9, 1:44 AM CDT | Special Weather Statement | TSA | Ottawa | 46 min |
| May 9, 1:47 AM CDT | Special Weather Statement | TSA | Delaware | 28 min |
| May 9, 2:21 AM CDT | Special Weather Statement | TSA | Sequoyah | 24 min |
| May 9, 2:15 AM CDT | Severe Thunderstorm Warning | TSA | Benton | 30 min |
| May 9, 3:01 AM CDT | Special Weather Statement | TSA | Crawford | 29 min |
| May 9, 3:17 AM CDT | Severe Thunderstorm Warning | TSA | Crawford, Franklin, Madison, Washington | 43 min |
| May 9, 3:47 AM CDT | Special Weather Statement | TSA | Carroll | 28 min |
| May 9, 4:02 AM CDT | Special Weather Statement | TSA | Madison | 28 min |
| May 9, 10:12 AM CDT | Special Weather Statement | TSA | Carroll | 33 min |
Nearby
Special Weather Statements in Oklahoma, 2021Every special weather statement in 2021
Sources
The product and its follow-ups from the Iowa Environmental Mesonet's archive of National Weather Service and Storm Prediction Center text; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.