Alert archive / Arkansas / Freeze Warnings in 2011

Freeze Warning 2, NWS Little Rock, AR

March 27, 20116 counties in Arkansas

NWS Little Rock, AR issued this freeze warning at Mar 27, 2011, 11:05 AM CDT for 6 counties in Arkansas. It took effect at Mar 28, 2011, 1:00 AM CDT. It was in force for 8 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, 11:05 AM CDT (16:05 UTC)
In effect from
Mar 28, 2011, 1:00 AM CDT
Expired
Mar 28, 2011, 8:47 AM CDT
In force
8 hr
Issued by
NWS Little Rock, AR

Counties Baxter County, AR, Fulton County, AR, Izard County, AR, Marion County, AR, Sharp County, AR, Stone County, AR

The radar

The Little Rock radar (KLZK), 150 km from the middle of the area, began a volume at 16:08 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, 4.1 hours before the alert went out and 175 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.

Skew-T log-pSkew-T log-p diagram, Springfield, MO at 12:00Z on 2011-03-27Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 1 joules per kilogram.LCLEL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°0°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Springfield, MO at 12:00Z on 2011-03-27The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity -50 square meters per square second.1939587897117Sfc1 km3 km6 km9 kmRMLM
The wind turning with height, colored by layer: ground to 1 km, 1 to 3 km, 3 to 6 km, 6 to 10 km.
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

Open this sounding in Storm Lab

What forecasters said that day

The local office's own words before this freeze warning went out, as it sent them, from the Iowa Environmental Mesonet's archive of National Weather Service text.

NWS Little Rock, AR wrote its last area forecast discussion before this freeze warning went out at Mar 27, 6:41 AM CDT, 4 hours 24 minutes earlier.

Area forecast discussion, Mar 27, 6:41 AM CDT, 4 hours 24 minutes before
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Hazardous weather outlook, Mar 27, 5:00 AM CDT, 6 hours 5 minutes before
HAZARDOUS WEATHER OUTLOOK
NATIONAL WEATHER SERVICE LITTLE ROCK AR
500 AM CDT SUN MAR 27 2011

ARZ003>007-012>016-021>025-030>034-037>047-052>057-062>069-281000-
ARKANSAS-BAXTER-BOONE-BRADLEY-CALHOUN-CLARK-CLEBURNE-CLEVELAND-
CONWAY-DALLAS-DESHA-DREW-FAULKNER-FULTON-GARLAND-GRANT-HOT SPRING-
INDEPENDENCE-IZARD-JACKSON-JEFFERSON-JOHNSON-LINCOLN-LOGAN-LONOKE-
MARION-MONROE-MONTGOMERY-NEWTON-OUACHITA-PERRY-PIKE-POLK-POPE-
PRAIRIE-PULASKI-SALINE-SCOTT-SEARCY-SHARP-STONE-VAN BUREN-WHITE-
WOODRUFF-YELL-
500 AM CDT SUN MAR 27 2011

THIS HAZARDOUS WEATHER OUTLOOK IS FOR A LARGE PART OF ARKANSAS.

.DAY ONE...TODAY AND TONIGHT

A FREEZE WARNING REMAINS IN EFFECT FOR MUCH OF NORTH CENTRAL
ARKANSAS EARLY THIS MORNING. SOME LOCATIONS WILL SEE LOWS THIS
MORNING AROUND THE FREEZING MARK. THE MERCURY WILL SLOWLY CLIMB BACK
ABOVE FREEZING BY MID MORNING.

.DAYS TWO THROUGH SEVEN...MONDAY THROUGH SATURDAY

PARTS OF NORTHERN ARKANSAS WILL ONCE AGAIN SEE LOW TEMPERATURES
APPROACH THE FREEZING MARK MONDAY MORNING...WHERE A FREEZE WARNING
REMAINS IN EFFECT. PRECAUTIONS SHOULD BE TAKEN TO PROTECT TENDER
VEGETATION.

THE NEXT SIGNIFICANT STORM SYSTEM IS FORECAST TO AFFECT THE MID
SOUTH STARTING MONDAY NIGHT AND TUESDAY...WITH A GOOD CHANCE OF
SHOWERS AND THUNDERSTORMS. AT THIS TIME IT APPEARS THE SYSTEM WILL
TRACK SOUTH OF ARKANSAS...LIMITING THE POTENTIAL FOR WIDESPREAD
SEVERE WEATHER. HOWEVER...SOME OF THE STRONGER STORMS COULD PRODUCE
HAIL UP TO ONE INCH IN DIAMETER.

YET ANOTHER LOW PRESSURE WILL BRING SHOWER AND THUNDERSTORMS CHANCES
BACK TO THE NATURAL STATE WEDNESDAY NIGHT AND THURSDAY. ONCE
AGAIN...INDICATIONS ARE THAT THE LOW WILL PASS SOUTH OF ARKANSAS AND
KEEP THE AREA IN A SOMEWHAT COOL AIRMASS. THIS WOULD LIMIT THE
POSSIBILITY OF SEVERE WEATHER.

.SPOTTER INFORMATION STATEMENT...

SPOTTER ACTIVATION IS NOT ANTICIPATED AT THIS TIME.

&&

VISIT NWS LITTLE ROCK ON THE WEB. GO TO HTTP://WEATHER.GOV AND
CLICK ON CENTRAL ARKANSAS.

44

The office that day

Everything else NWS Little Rock, AR issued on the same UTC day.

IssuedProductOfficeCountiesLasted
Mar 26, 7:33 PM CDTSpecial Weather StatementLZKDesha17 min
Mar 26, 7:34 PM CDTSpecial Weather StatementLZKDesha31 min
Mar 26, 7:46 PM CDTSevere Thunderstorm WarningLZKDesha29 min
Mar 26, 8:26 PM CDTSpecial Weather StatementLZKDesha29 min
Mar 27, 12:52 PM CDTSpecial Weather StatementLZKDrew43 min
Mar 27, 1:59 PM CDTSpecial Weather StatementLZKDallas46 min
Mar 27, 2:03 PM CDTSevere Thunderstorm WarningLZKCalhoun, Dallas, Ouachita27 min
Mar 27, 2:56 PM CDTSpecial Weather StatementLZKScott44 min
Mar 27, 3:19 PM CDTSpecial Weather StatementLZKDallas31 min
Mar 27, 3:25 PM CDTSevere Thunderstorm WarningLZKArkansas, Jefferson, Lincoln35 min
Mar 27, 4:17 PM CDTSpecial Weather StatementLZKGarland28 min
Mar 27, 4:42 PM CDTSpecial Weather StatementLZKSaline28 min
Mar 27, 5:13 PM CDTSevere Thunderstorm WarningLZKLonoke, Prairie, Pulaski, Saline37 min
Mar 27, 6:39 PM CDTSpecial Weather StatementLZKMontgomery31 min
Mar 27, 6:49 PM CDTSevere Thunderstorm WarningLZKMontgomery26 min

Nearby

Freeze Warnings in Arkansas, 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.