Alert archive / Arkansas / Frost Advisories in 2008

Frost Advisory 1, NWS Tulsa, OK

March 22, 20084 counties in Arkansas

NWS Tulsa, OK issued this frost advisory at Mar 22, 2008, 9:01 PM CDT for 4 counties in Arkansas. It took effect at Mar 23, 2008, 1:00 AM CDT. It was in force for 8 hr.

The area

The counties it named.

The facts

Issued
Mar 22, 2008, 9:01 PM CDT (02:01 UTC)
In effect from
Mar 23, 2008, 1:00 AM CDT
Expired
Mar 23, 2008, 9:00 AM CDT
In force
8 hr
Issued by
NWS Tulsa, OK

Counties Benton County, AR, Carroll County, AR, Madison County, AR, Washington County, AR

The radar

The Western Arkansas radar (KSRX), 105 km from the middle of the area, began a volume at 02:04 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 00:00Z, 2.0 hours before the alert went out and 330 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, Norman, OK at 00:00Z on 2008-03-23Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 0 joules per kilogram.LCL10008507005003002001001 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, Norman, OK at 00:00Z on 2008-03-23The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity -13 square meters per square second.1939587897Sfc1 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
0 J/kg
Mixed-layer CIN
No buoyant parcel
Mixed-layer LCL
1965 m above ground
0-6 km bulk shear
63 kt
0-1 km storm-relative helicity
-13 m²/s²
0-3 km storm-relative helicity
301 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 frost advisory went out, as it sent them, from the Iowa Environmental Mesonet's archive of National Weather Service text.

NWS Tulsa, OK wrote its last area forecast discussion before this frost advisory went out at Mar 22, 2:58 PM CDT, 6 hours 3 minutes earlier.

Area forecast discussion, Mar 22, 2:58 PM CDT, 6 hours 3 minutes before
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Hazardous weather outlook, Mar 22, 4:59 PM CDT, 4 hours 2 minutes before
HAZARDOUS WEATHER OUTLOOK
NATIONAL WEATHER SERVICE TULSA OK
459 PM CDT SAT MAR 22 2008

ARZ001-002-010-011-019-020-029-OKZ049-053>076-231000-
ADAIR OK-BENTON AR-CARROLL AR-CHEROKEE OK-CHOCTAW OK-CRAIG OK-
CRAWFORD AR-CREEK OK-DELAWARE OK-FRANKLIN AR-HASKELL OK-LATIMER OK-
LE FLORE OK-MADISON AR-MAYES OK-MCINTOSH OK-MUSKOGEE OK-NOWATA OK-
OKFUSKEE OK-OKMULGEE OK-OSAGE OK-OTTAWA OK-PAWNEE OK-PITTSBURG OK-
PUSHMATAHA OK-ROGERS OK-SEBASTIAN AR-SEQUOYAH OK-TULSA OK-WAGONER OK-
WASHINGTON OK-WASHINGTON AR-
459 PM CDT SAT MAR 22 2008

...FREEZING TEMPERATURES POSSIBLE SUNDAY NIGHT...

THIS OUTLOOK IS FOR NORTHWEST AND WEST CENTRAL ARKANSAS AS WELL AS
MUCH OF EASTERN OKLAHOMA.

.DAY ONE...TONIGHT.
NO HAZARDOUS WEATHER IS EXPECTED.

DISCUSSION...
THERE IS A SMALL CHANCE FOR SOME LIGHT RAIN ACROSS THE WESTERN AND
SOUTHERN PORTION OF THE FORECAST AREA THIS EVENING AS COLDER MID
LEVEL AIR MOVES TO THE SOUTH INTO THE REGION. TEMPERATURES TONIGHT
WILL BE COLDER...WITH LOWS BRIEFLY NEAR FREEZING ACROSS NORTHWEST
ARKANSAS.

SPOTTER AND EMERGENCY MANAGEMENT ACTION STATEMENT...
SPOTTER ACTIVATION NOT EXPECTED.

.DAYS TWO THROUGH SEVEN...SUNDAY THROUGH FRIDAY.
SUNDAY...NO HAZARDS.
MONDAY...VERY HIGH FIRE WEATHER POTENTIAL.
TUESDAY...NO HAZARDS.
WEDNESDAY...NO HAZARDS.
THURSDAY...THUNDERSTORM POTENTIAL...HIGH WIND POTENTIAL.
FRIDAY...THUNDERSTORM POTENTIAL...HIGH WIND POTENTIAL.

EXTENDED DISCUSSION...
A WEAK FRONT WILL BRING A REINFORCING SHOT OF COOLER AND DRIER AIR
TO THE REGION FOR SUNDAY...WITH TEMPERATURES FALLING INTO THE
UPPER 20S TO LOW 30S ACROSS MUCH OF EASTERN OKLAHOMA AND NORTHWEST
ARKANSAS SUNDAY NIGHT. PORTIONS OF FAR NORTHWEST ARKANSAS MAY EVEN SEE
LOWS FALL INTO THE MID 20S. THE FIRE DANGER WILL INCREASE ON
MONDAY ACROSS NORTHEAST OKLAHOMA AND FAR NORTHWEST ARKANSAS AS
DRIER AIR REMAINS OVER THE AREA...TEMPERATURES WARM INTO THE
60S...AND WINDS INCREASE FROM THE SOUTH TO AROUND 20 MILES PER
HOUR. SEVERAL WEAK UPPER LEVEL SYSTEMS WILL MOVE ACROSS THE REGION
NEXT WEEK WITH ONLY LIGHT RAIN OR A FEW SHOWERS EXPECTED. STRONGER
WINDS AND THUNDERSTORMS ARE EXPECTED LATER IN THE PERIOD AS A
STRONGER SYSTEM AND COLD FRONT MOVE THROUGH THE AREA.

EMERGENCY MANAGEMENT PLANNING STATEMENT...
EMERGENCY MANAGERS SHOULD MONITOR AND PREPARE FOR POSSIBLE
WILDFIRES WHICH COULD SPREAD QUICKLY ON MONDAY...ESPECIALLY
NORTHWEST OF INTERSTATE 44.

WWW.SRH.NOAA.GOV/TULSA CONTAINS ADDITIONAL TABULAR AND GRAPHICAL
INFORMATION.

In the hours before

Special weather statement, Mar 22, 3:54 PM CDT, 5 hours 7 minutes before
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The office that day

Everything else NWS Tulsa, OK issued on the same UTC day.

IssuedProductOfficeCountiesLasted
Mar 23, 4:29 AM CDTFrost AdvisoryTSAChoctaw, Creek, Haskell, Latimer, McIntosh, Muskogee and 8 more24 hr
Mar 23, 4:29 AM CDTFreeze WarningTSAAdair, Cherokee, Choctaw, Craig, Creek, Delaware and 16 more29 hr
Mar 23, 3:11 PM CDTFire Weather WatchTSACraig, Creek, Delaware, Mayes, Nowata, Ottawa and 4 more12 hr

Nearby

Frost Advisories in Arkansas, 2008Every frost advisory in 2008

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.