Alert archive / Oklahoma / Severe Thunderstorm Warnings in 2016
Severe Thunderstorm Warning 13, NWS Norman, OK
NWS Norman, OK issued this severe thunderstorm warning at Mar 17, 2016, 7:39 AM CDT for Bryan County, Oklahoma. It was in force for 16 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
- Mar 17, 2016, 7:39 AM CDT (12:39 UTC)
- Expired
- Mar 17, 2016, 7:55 AM CDT
- In force
- 16 min
- Issued by
- NWS Norman, OK
- Area
- Storm-based polygon
- Hail
- 1.0 in
- Wind
- 60.0 mph
County Bryan County, OK
The radar
The Norman radar (KTLX), 168 km from the middle of the area, began a volume at 12:40 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 |
|---|---|---|---|
| Mar 17, 7:50 AM CDT | HAIL 0.75 | 2 S Durant, OK | PEA TO PENNY SIZE HAIL ACCUMULATED ON U.S. HWY 69/75 NEAR CHOCTAW CASINO RESORT. ROAD REMAINS CLOSED AT THIS TIME. |
| Mar 17, 7:50 AM CDT | HAIL 0.75 | 2 S Durant, OK | PEA TO PENNY SIZE HAIL ACCUMULATED ON U.S. HWY BUSINESS 69/75 NEAR CHOCTAW CASINO RESORT. ROAD REMAINS CLOSED AT THIS TIME. |
Local storm reports filed while the alert was in force, from inside its polygon or its counties.
The nearest sounding before it
Fort Worth, TX (KFWD), launched 12:00Z, 0.7 hours before the alert went out and 155 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
- 1661 m above ground
- 0-6 km bulk shear
- 47 kt
- 0-1 km storm-relative helicity
- 233 m²/s²
- 0-3 km storm-relative helicity
- 308 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 2.4
The text
As transmitted.
348
WUUS54 KOUN 171239
SVROUN
OKC013-171315-
/O.NEW.KOUN.SV.W.0013.160317T1239Z-160317T1315Z/
BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE NORMAN OK
739 AM CDT THU MAR 17 2016
THE NATIONAL WEATHER SERVICE IN NORMAN HAS ISSUED A
* SEVERE THUNDERSTORM WARNING FOR...
BRYAN COUNTY IN SOUTHEASTERN OKLAHOMA...
* UNTIL 815 AM CDT
* AT 739 AM CDT...A SEVERE THUNDERSTORM WAS LOCATED NEAR MEAD...MOVING
EAST AT 65 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...
DURANT...CADDO...BOKCHITO...BENNINGTON...SILO...MEAD...ARMSTRONG...BLUE...
UTICA...EASTERN LAKE TEXOMA AND CALERA.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
FOR YOUR PROTECTION MOVE TO AN INTERIOR ROOM ON THE LOWEST FLOOR OF A
BUILDING.
&&
LAT...LON 3392 9594 3387 9656 3395 9659 3396 9658
3398 9661 3399 9660 3401 9662 3401 9660
3402 9659 3401 9658 3403 9658 3416 9621
3415 9596 3412 9594
TIME...MOT...LOC 1239Z 252DEG 56KT 3397 9650
HAIL...1.00IN
WIND...60MPH
$$
031 follow-up statement
624
WWUS54 KOUN 171255
SVSOUN
SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE NORMAN OK
755 AM CDT THU MAR 17 2016
OKC013-171305-
/O.CAN.KOUN.SV.W.0013.000000T0000Z-160317T1315Z/
BRYAN OK-
755 AM CDT THU MAR 17 2016
...THE SEVERE THUNDERSTORM WARNING FOR BRYAN COUNTY IS CANCELLED...
THE STORM WHICH PROMPTED THE WARNING HAS WEAKENED BELOW SEVERE
LIMITS...AND NO LONGER POSES AN IMMEDIATE THREAT TO LIFE OR PROPERTY.
THEREFORE...THE WARNING HAS BEEN CANCELLED.
LAT...LON 3392 9594 3387 9656 3395 9659 3396 9658
3398 9661 3399 9660 3401 9662 3401 9660
3402 9659 3401 9658 3403 9658 3416 9621
3415 9596 3412 9594
TIME...MOT...LOC 1253Z 252DEG 56KT 3405 9621
$$
03The office that day
Everything else NWS Norman, OK issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Mar 17, 6:39 AM CDT | Special Weather Statement | OUN | Marshall | 51 min |
| Mar 17, 6:42 AM CDT | Special Weather Statement | OUN | Love | 48 min |
| Mar 17, 7:10 AM CDT | Special Weather Statement | OUN | Love | 35 min |
| Mar 17, 7:12 AM CDT | Special Weather Statement | OUN | Marshall | 33 min |
| Mar 17, 7:31 AM CDT | Special Weather Statement | OUN | Johnston | 44 min |
| Mar 17, 12:06 PM CDT | Special Weather Statement | OUN | Johnston | 24 min |
| Mar 17, 12:30 PM CDT | Special Weather Statement | OUN | Johnston | 30 min |
| Mar 17, 1:01 PM CDT | Special Weather Statement | OUN | Johnston | 29 min |
| Mar 17, 1:15 PM CDT | Special Weather Statement | OUN | Atoka | 45 min |
| Mar 17, 2:00 PM CDT | Special Weather Statement | OUN | Atoka | 30 min |
| Mar 17, 2:41 PM CDT | Freeze Watch | OUN | Alfalfa, Blaine, Custer, Dewey, Ellis, Garfield and 11 more | 24 hr |
Nearby
Severe Thunderstorm Warnings in Oklahoma, 2016Every severe thunderstorm warning in 2016
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.