Alert archive / Oklahoma / Special Weather Statements in 2016
Special Weather Statement, NWS Norman, OK
NWS Norman, OK issued this special weather statement at Mar 18, 2016, 7:37 AM CDT for Jackson County, Oklahoma. It was in force for 38 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
- Mar 18, 2016, 7:37 AM CDT (12:37 UTC)
- Expired
- Mar 18, 2016, 8:15 AM CDT
- In force
- 38 min
- Issued by
- NWS Norman, OK
County Jackson County, OK
The radar
The Altus AFB radar (KFDR), 35 km from the middle of the area, began a volume at 12:41 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.
The nearest sounding before it
Norman, OK (KOUN), launched 12:00Z, 0.6 hours before the alert went out and 170 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
- 740 m above ground
- 0-6 km bulk shear
- 55 kt
- 0-1 km storm-relative helicity
- 85 m²/s²
- 0-3 km storm-relative helicity
- 261 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted.
833 WWUS84 KOUN 181237 SPSOUN SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE NORMAN OK 737 AM CDT FRI MAR 18 2016 OKZ035>037-181315- TILLMAN OK-KIOWA OK-JACKSON OK- 737 AM CDT FRI MAR 18 2016 ...SIGNIFICANT WEATHER ADVISORY FOR NORTHWESTERN TILLMAN...SOUTH CENTRAL KIOWA AND EAST CENTRAL JACKSON COUNTIES UNTIL 815 AM CDT... AT 735 AM CDT...A STRONG THUNDERSTORM WAS LOCATED NEAR ALTUS AIR FORCE BASE...MOVING EAST AT 30 MPH. HAZARDS INCLUDE... HAIL UP TO THE SIZE OF PENNIES... WIND GUSTS TO 40 MPH... MINOR FLOODING IN AREAS OF POOR DRAINAGE... FREQUENT CLOUD TO GROUND LIGHTNING... LOCATIONS IMPACTED INCLUDE... ALTUS...SNYDER...MOUNTAIN PARK...HEADRICK...FRIENDSHIP AND ALTUS AIR FORCE BASE. PRECAUTIONARY/PREPAREDNESS ACTIONS... SEVERE WEATHER IS NOT EXPECTED AND NO WARNINGS ARE ANTICIPATED AT THIS TIME. && LAT...LON 3469 9932 3476 9883 3451 9883 3460 9933 TIME...MOT...LOC 1235Z 272DEG 28KT 3465 9926 $$
The office that day
Everything else NWS Norman, OK issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Mar 18, 7:09 AM CDT | Special Weather Statement | OUN | Murray, Stephens | 51 min |
| Mar 18, 7:12 AM CDT | Special Weather Statement | OUN | Jefferson | 48 min |
| Mar 18, 7:27 AM CDT | Special Weather Statement | OUN | Johnston | 33 min |
| Mar 18, 7:41 AM CDT | Special Weather Statement | OUN | Jefferson | 49 min |
| Mar 18, 7:51 AM CDT | Special Weather Statement | OUN | Johnston | 39 min |
| Mar 18, 8:18 AM CDT | Special Weather Statement | OUN | Murray | 27 min |
| Mar 18, 8:30 AM CDT | Special Weather Statement | OUN | Love, Marshall | 45 min |
| Mar 18, 8:39 AM CDT | Special Weather Statement | OUN | Grady, McClain | 51 min |
| Mar 18, 8:47 AM CDT | Special Weather Statement | OUN | Johnston | 43 min |
| Mar 18, 9:04 AM CDT | Severe Thunderstorm Warning | OUN | Atoka, Bryan, Johnston, Marshall | 41 min |
| Mar 18, 9:13 AM CDT | Special Weather Statement | OUN | McClain | 47 min |
| Mar 18, 9:18 AM CDT | Severe Thunderstorm Warning | OUN | Cleveland, McClain, Pontotoc, Pottawatomie | 26 min |
| Mar 18, 9:32 AM CDT | Special Weather Statement | OUN | Bryan | 43 min |
| Mar 18, 9:51 AM CDT | Special Weather Statement | OUN | Atoka | 24 min |
| Mar 18, 9:57 AM CDT | Special Weather Statement | OUN | Pontotoc | 48 min |
| Mar 18, 10:55 AM CDT | Special Weather Statement | OUN | Bryan, Marshall | 50 min |
| Mar 18, 10:59 AM CDT | Areal Flood Advisory | OUN | Bryan, Marshall | 3 hr |
| Mar 18, 2:31 PM CDT | Freeze Watch | OUN | Alfalfa, Beckham, Blaine, Caddo, Canadian, Cleveland and 25 more | 19 hr |
| Mar 18, 2:31 PM CDT | Freeze Warning | OUN | Alfalfa, Beckham, Blaine, Caddo, Canadian, Cleveland and 25 more | 18 hr |
Nearby
Special Weather Statements in Oklahoma, 2016Every special weather statement 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; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.