Alert archive / Arkansas / Freeze Warnings in 2011
Freeze Warning 2, NWS Tulsa, OK
NWS Tulsa, OK issued this freeze warning at Mar 27, 2011, 3:45 PM CDT for 4 counties in Arkansas; Delaware County, Ottawa County, Oklahoma. It took effect at Mar 28, 2011, 2:00 AM CDT. It was in force for 7 hr. No storm report in the archive falls inside the area while it was in force.
The area
The counties it named.
The facts
- Issued
- Mar 27, 2011, 3:45 PM CDT (20:45 UTC)
- In effect from
- Mar 28, 2011, 2:00 AM CDT
- Expired
- Mar 28, 2011, 9:00 AM CDT
- In force
- 7 hr
- Issued by
- NWS Tulsa, OK
Counties Benton County, AR, Carroll County, AR, Madison County, AR, Washington County, AR, Delaware County, OK, Ottawa County, OK
The radar
The Western Arkansas radar (KSRX), 115 km from the middle of the area, began a volume at 20:48 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 12:00Z, 8.8 hours before the alert went out and 75 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
- 1 J/kg
- Mixed-layer CIN
- No buoyant parcel
- Mixed-layer LCL
- 495 m above ground
- 0-6 km bulk shear
- 70 kt
- 0-1 km storm-relative helicity
- -50 m²/s²
- 0-3 km storm-relative helicity
- 87 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted, in the capitals the NWS used until 2016.
442 WWUS74 KTSA 272045 NPWTSA URGENT - WEATHER MESSAGE NATIONAL WEATHER SERVICE TULSA OK 345 PM CDT SUN MAR 27 2011 ARZ001-002-010-011-OKZ058-063-280445- /O.UPG.KTSA.FZ.A.0002.110328T0700Z-110328T1400Z/ /O.NEW.KTSA.FZ.W.0002.110328T0700Z-110328T1400Z/ BENTON-CARROLL-WASHINGTON AR-MADISON-OTTAWA-DELAWARE- 345 PM CDT SUN MAR 27 2011 ...FREEZE WARNING IN EFFECT FROM 2 AM TO 9 AM CDT MONDAY... THE NATIONAL WEATHER SERVICE IN TULSA HAS ISSUED A FREEZE WARNING...WHICH IS IN EFFECT FROM 2 AM TO 9 AM CDT MONDAY... FOR THE FOLLOWING COUNTIES... * IN OKLAHOMA...OTTAWA AND DELAWARE. IN ARKANSAS...BENTON...WASHINGTON...CARROLL AND MADISON. * THIS REPLACES THE WATCH THAT WAS IN EFFECT. HAZARDOUS WEATHER... * TEMPERATURES TONIGHT WILL ONCE AGAIN FALL INTO THE LOWER 30S ACROSS EXTREME NORTHEAST OKLAHOMA AND MUCH OF NORTHWEST ARKANSAS...WITH SOME LOCATIONS BRIEFLY FALLING BELOW FREEZING. IMPACTS... * THESE CONDITIONS WILL KILL PLANTS AND OTHER TENDER VEGETATION THAT ARE LEFT OUTDOORS OR UNPROTECTED. DEFINITION... * A FREEZE WARNING MEANS FREEZING TEMPERATURES WILL OCCUR. PRECAUTIONARY/PREPAREDNESS ACTIONS... * PRECAUTIONS SHOULD ALSO BE TAKEN TO PROTECT SMALL PLANTS AND TENDER VEGETATION. * STAY TUNED TO NOAA WEATHER RADIO...COMMERCIAL RADIO OR TELEVISION FOR THE LATEST INFORMATION CONCERNING THIS WEATHER EVENT. ADDITIONAL WEATHER INFORMATION CAN ALSO BE FOUND AT: WEATHER.GOV/TULSA. && $$
2 follow-up statements
813 WWUS74 KTSA 280209 NPWTSA URGENT - WEATHER MESSAGE NATIONAL WEATHER SERVICE TULSA OK 909 PM CDT SUN MAR 27 2011 ARZ001-002-010-011-OKZ058-063-281015- /O.CON.KTSA.FZ.W.0002.110328T0700Z-110328T1400Z/ BENTON-CARROLL-WASHINGTON AR-MADISON-OTTAWA-DELAWARE- 909 PM CDT SUN MAR 27 2011 ...FREEZE WARNING REMAINS IN EFFECT FROM 2 AM TO 9 AM CDT MONDAY... A FREEZE WARNING IS IN EFFECT... FOR THE FOLLOWING COUNTIES... * IN OKLAHOMA...OTTAWA AND DELAWARE. IN ARKANSAS...BENTON...WASHINGTON...CARROLL AND MADISON. HAZARDOUS WEATHER... * TEMPERATURES TONIGHT WILL ONCE AGAIN FALL INTO THE LOWER 30S ACROSS EXTREME NORTHEAST OKLAHOMA AND MUCH OF NORTHWEST ARKANSAS...WITH SOME LOCATIONS BRIEFLY FALLING BELOW FREEZING. IMPACTS... * THESE CONDITIONS COULD KILL PLANTS AND OTHER TENDER VEGETATION THAT ARE LEFT OUTDOORS OR UNPROTECTED. PRECAUTIONARY/PREPAREDNESS ACTIONS... * PRECAUTIONS SHOULD ALSO BE TAKEN TO PROTECT SMALL PLANTS AND TENDER VEGETATION. * STAY TUNED TO NOAA WEATHER RADIO...COMMERCIAL RADIO OR TELEVISION FOR THE LATEST INFORMATION CONCERNING THIS WEATHER EVENT. ADDITIONAL WEATHER INFORMATION CAN ALSO BE FOUND AT: WEATHER.GOV/TULSA. && $$
207 WWUS74 KTSA 280828 NPWTSA URGENT - WEATHER MESSAGE NATIONAL WEATHER SERVICE TULSA OK 328 AM CDT MON MAR 28 2011 ARZ001-002-010-011-OKZ058-063-281400- /O.CON.KTSA.FZ.W.0002.000000T0000Z-110328T1400Z/ BENTON-CARROLL-WASHINGTON AR-MADISON-OTTAWA-DELAWARE- 328 AM CDT MON MAR 28 2011 ...FREEZE WARNING REMAINS IN EFFECT UNTIL 9 AM CDT THIS MORNING... A FREEZE WARNING IS IN EFFECT... FOR THE FOLLOWING COUNTIES... * IN OKLAHOMA...OTTAWA AND DELAWARE. IN ARKANSAS...BENTON...WASHINGTON...CARROLL AND MADISON. HAZARDOUS WEATHER... * WHILE WIDESPREAD FREEZING CONDITIONS AREN'T EXPECTED ACROSS THE WARNING AREA...A FEW LOCATIONS MAY DIP TO NEAR OR JUST BELOW FREEZING THIS MORNING. IMPACTS... * THESE CONDITIONS WILL KILL PLANTS AND OTHER TENDER VEGETATION THAT ARE LEFT OUTDOORS OR UNPROTECTED. PRECAUTIONARY/PREPAREDNESS ACTIONS... PRECAUTIONS SHOULD BE TAKEN TO PROTECT SMALL PLANTS AND TENDER VEGETATION. * STAY TUNED TO NOAA WEATHER RADIO...COMMERCIAL RADIO OR TELEVISION FOR THE LATEST INFORMATION CONCERNING THIS WEATHER EVENT. ADDITIONAL WEATHER INFORMATION CAN ALSO BE FOUND AT: WEATHER.GOV/TULSA. && $$
The office that day
Everything else NWS Tulsa, OK issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Mar 27, 3:32 AM CDT | Freeze Watch | TSA | Benton, Carroll, Madison, Washington | 12 hr |
| Mar 27, 2:28 PM CDT | Special Weather Statement | TSA | LeFlore | 32 min |
| Mar 27, 2:48 PM CDT | Special Weather Statement | TSA | LeFlore | 27 min |
| Mar 27, 2:50 PM CDT | Special Weather Statement | TSA | Pushmataha | 10 min |
| Mar 27, 3:13 PM CDT | Special Weather Statement | TSA | LeFlore | 32 min |
Nearby
Freeze Warnings in Arkansas, 2011Freeze Warnings in Oklahoma, 2011Every freeze warning in 2011
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.