Alert archive / Oklahoma / Severe Thunderstorm Warnings in 2021
Severe Thunderstorm Warning 367, NWS Norman, OK
NWS Norman, OK issued this severe thunderstorm warning at Jul 10, 2021, 6:41 PM CDT for Noble County, Payne County, Oklahoma. It was in force for 49 min. 1 report 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, 2021, 6:41 PM CDT (23:41 UTC)
- Expired
- Jul 10, 2021, 7:30 PM CDT
- In force
- 49 min
- Issued by
- NWS Norman, OK
- Area
- Storm-based polygon
- Hail
- 1.0 in
- Wind
- 60.0 mph
Counties Noble County, OK, Payne County, OK
The radar
The Norman radar (KTLX), 106 km from the middle of the area, began a volume at 23:41 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, 7:10 PM CDT | HAIL 0.5 | 5 Nne Stillwater, OK | MPING REPORT |
Local storm reports filed while the alert was in force, from inside its polygon or its counties.
The watch it was issued in
The SPC watch in force over the same counties when this warning went out.
| Issued | Product | Office | Lasted |
|---|---|---|---|
| Jul 10, 3:02 PM CDT | Severe Thunderstorm Watch | SPC | 8 hr |
| Jul 10, 5:29 PM CDT | Severe Thunderstorm Watch | SPC | 7 hr |
The nearest sounding before it
Norman, OK (KOUN), launched 12:00Z, 11.7 hours before the alert went out and 122 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
- 1249 J/kg
- Mixed-layer CIN
- -280 J/kg
- Mixed-layer LCL
- 670 m above ground
- 0-6 km bulk shear
- 25 kt
- 0-1 km storm-relative helicity
- 65 m²/s²
- 0-3 km storm-relative helicity
- 110 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.1
The text
As transmitted.
371
WUUS54 KOUN 102341
SVROUN
OKC103-119-110030-
/O.NEW.KOUN.SV.W.0367.210710T2341Z-210711T0030Z/
BULLETIN - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Warning
National Weather Service Norman OK
641 PM CDT Sat Jul 10 2021
The National Weather Service in Norman has issued a
* Severe Thunderstorm Warning for...
Southeastern Noble County in northern Oklahoma...
Northeastern Payne County in central Oklahoma...
* Until 730 PM CDT.
* At 641 PM CDT, a severe thunderstorm was located near Morrison,
moving east at 30 mph.
HAZARD...60 mph wind gusts and quarter size hail.
SOURCE...Radar indicated.
IMPACT...Hail damage to vehicles is expected. Expect wind damage
to roofs, siding, and trees.
* Locations impacted include...
Stillwater, Perry, Yale, Morrison, Glencoe, Lake Mcmurtry and Quay.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
For your protection move to an interior room on the lowest floor of a
building.
&&
LAT...LON 3633 9703 3633 9692 3625 9692 3624 9682
3616 9682 3616 9662 3611 9662 3617 9732
3634 9731 3634 9703
TIME...MOT...LOC 2341Z 280DEG 24KT 3628 9703
HAIL...1.00IN
WIND...60MPH
$$
301 follow-up statement
746
WWUS54 KOUN 110006
SVSOUN
Severe Weather Statement
National Weather Service Norman OK
706 PM CDT Sat Jul 10 2021
OKC103-119-110030-
/O.CON.KOUN.SV.W.0367.000000T0000Z-210711T0030Z/
Noble OK-Payne OK-
706 PM CDT Sat Jul 10 2021
...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 730 PM CDT
FOR SOUTHEASTERN NOBLE AND NORTHEASTERN PAYNE COUNTIES...
At 706 PM CDT, a severe thunderstorm was located 4 miles southwest of
Glencoe, moving east at 35 mph.
HAZARD...60 mph wind gusts and quarter size hail.
SOURCE...Radar indicated.
IMPACT...Hail damage to vehicles is expected. Expect wind damage to
roofs, siding, and trees.
Locations impacted include...
Stillwater, Yale, Glencoe, Quay and Lake Mcmurtry.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
For your protection move to an interior room on the lowest floor of a
building.
&&
LAT...LON 3627 9702 3628 9692 3625 9692 3624 9682
3616 9682 3616 9662 3611 9662 3617 9732
3627 9731
TIME...MOT...LOC 0006Z 284DEG 32KT 3619 9700
HAIL...1.00IN
WIND...60MPH
$$
30The office that day
Everything else NWS Norman, OK issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jul 10, 4:34 PM CDT | Special Weather Statement | OUN | Kay | 26 min |
| Jul 10, 6:01 PM CDT | Special Weather Statement | OUN | Pawnee | 29 min |
| Jul 10, 6:45 PM CDT | Severe Thunderstorm Warning | OUN | Blaine, Kingfisher | 45 min |
Nearby
Severe Thunderstorm Warnings in Oklahoma, 2021Every severe thunderstorm warning 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; local storm reports from the same archive; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.