Alert archive / Oklahoma / Special Weather Statements in 2021
Special Weather Statement, NWS Norman, OK
NWS Norman, OK issued this special weather statement at May 10, 2021, 10:21 AM CDT for Jefferson County, Oklahoma. It was in force for 24 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 10, 2021, 10:21 AM CDT (15:21 UTC)
- Expired
- May 10, 2021, 10:45 AM CDT
- In force
- 24 min
- Issued by
- NWS Norman, OK
County Jefferson County, OK
The radar
The Altus AFB radar (KFDR), 108 km from the middle of the area, began a volume at 15:21 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
Fort Worth, TX (KFWD), launched 12:00Z, 3.4 hours before the alert went out and 161 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
- 675 m above ground
- 0-6 km bulk shear
- 50 kt
- 0-1 km storm-relative helicity
- 299 m²/s²
- 0-3 km storm-relative helicity
- 381 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 4.2
The text
As transmitted.
842 WWUS84 KOUN 101521 SPSOUN SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE Norman OK 1021 AM CDT Mon May 10 2021 OKZ045-101545- Jefferson OK- 1021 AM CDT Mon May 10 2021 ...SIGNIFICANT WEATHER ADVISORY FOR northern Jefferson County Until 1045 AM CDT... AT 1017 AM CDT, a strong thunderstorm was located 9 miles southwest of Loco, moving east at 35 MPH. HAZARDS INCLUDE... Hail up to the size of dimes... Wind gusts to 40 MPH... Heavy rain can lead to reduced visibility... Frequent cloud to ground lightning... Locations impacted include... Waurika, Ringling and Cornish. PRECAUTIONARY/PREPAREDNESS ACTIONS... Monitor the weather situation closely and be alert for threatening weather conditions. && LAT...LON 3418 9802 3429 9790 3429 9757 3410 9756 TIME...MOT...LOC 1517Z 278DEG 31KT 3422 9779 $$ 03
The office that day
Everything else NWS Norman, OK issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| May 10, 7:30 AM CDT | Special Weather Statement | OUN | Cotton | 45 min |
| May 10, 8:29 AM CDT | Special Weather Statement | OUN | Jefferson, Love | 46 min |
| May 10, 8:40 AM CDT | Severe Thunderstorm Warning | OUN | Jefferson, Love | 50 min |
| May 10, 9:02 AM CDT | Special Weather Statement | OUN | Carter | 28 min |
| May 10, 9:13 AM CDT | Special Weather Statement | OUN | Jefferson | 47 min |
| May 10, 9:19 AM CDT | Special Weather Statement | OUN | Love | 41 min |
| May 10, 9:22 AM CDT | Severe Thunderstorm Warning | OUN | Love | 38 min |
| May 10, 9:25 AM CDT | Severe Thunderstorm Warning | OUN | Jefferson, Love | 35 min |
| May 10, 9:39 AM CDT | Areal Flood Advisory | OUN | Jefferson, Love | 3 hr |
| May 10, 10:10 AM CDT | Special Weather Statement | OUN | Love | 35 min |
| May 10, 10:30 AM CDT | Special Weather Statement | OUN | Coal | 30 min |
| May 10, 10:54 AM CDT | Special Weather Statement | OUN | Bryan | 36 min |
| May 10, 11:18 AM CDT | Special Weather Statement | OUN | Carter | 27 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.