Alert archive / Missouri / Frost Advisories in 2009

Frost Advisory 7, NWS Springfield, MO

October 23, 200934 counties in Missouri; Bourbon County, Cherokee County, Crawford County, Kansas

NWS Springfield, MO issued this frost advisory at Oct 23, 2009, 2:52 AM CDT for 34 counties in Missouri; Bourbon County, Cherokee County, Crawford County, Kansas. It took effect at Oct 24, 2009, 1:00 AM CDT. It was in force for 8 hr.

The area

The counties it named.

The facts

Issued
Oct 23, 2009, 2:52 AM CDT (07:52 UTC)
In effect from
Oct 24, 2009, 1:00 AM CDT
Expired
Oct 24, 2009, 9:00 AM CDT
In force
8 hr
Issued by
NWS Springfield, MO
All 37 counties

Bourbon County, KS, Cherokee County, KS, Crawford County, KS, Barry County, MO, Barton County, MO, Benton County, MO, Camden County, MO, Cedar County, MO, Christian County, MO, Dade County, MO, Dallas County, MO, Dent County, MO, Douglas County, MO, Greene County, MO, Hickory County, MO, Howell County, MO, Jasper County, MO, Laclede County, MO, Lawrence County, MO, Maries County, MO, McDonald County, MO, Miller County, MO, Morgan County, MO, Newton County, MO, Oregon County, MO, Ozark County, MO, Phelps County, MO, Polk County, MO, Pulaski County, MO, Shannon County, MO, St. Clair County, MO, Stone County, MO, Taney County, MO, Texas County, MO, Vernon County, MO, Webster County, MO, Wright County, MO

The nearest sounding before it

Springfield, MO (KSGF), launched 00:00Z, 7.9 hours before the alert went out and 82 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 00:00Z on 2009-10-23Temperature 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, Springfield, MO at 00:00Z on 2009-10-23The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity -52 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
570 m above ground
0-6 km bulk shear
41 kt
0-1 km storm-relative helicity
-52 m²/s²
0-3 km storm-relative helicity
35 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 Springfield, MO wrote its last area forecast discussion before this frost advisory went out at Oct 23, 2:30 AM CDT, 22 minutes earlier.

Area forecast discussion, Oct 23, 2:30 AM CDT, 22 minutes before
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Hazardous weather outlook, Oct 22, 7:36 PM CDT, 7 hours 16 minutes before
HAZARDOUS WEATHER OUTLOOK
NATIONAL WEATHER SERVICE SPRINGFIELD MO
736 PM CDT THU OCT 22 2009

KSZ073-097-101-MOZ055>058-066>071-077>083-088>098-101>106-231200-
BOURBON-CRAWFORD-CHEROKEE-BENTON-MORGAN-MILLER-MARIES-VERNON-
ST. CLAIR-HICKORY-CAMDEN-PULASKI-PHELPS-BARTON-CEDAR-POLK-DALLAS-
LACLEDE-TEXAS-DENT-JASPER-DADE-GREENE-WEBSTER-WRIGHT-NEWTON-
LAWRENCE-CHRISTIAN-DOUGLAS-HOWELL-SHANNON-MCDONALD-BARRY-STONE-
TANEY-OZARK-OREGON-
736 PM CDT THU OCT 22 2009

THIS HAZARDOUS WEATHER OUTLOOK IS FOR PORTIONS OF THE MISSOURI
OZARKS AND EXTREME SOUTHEAST KANSAS.

.DAY ONE...TONIGHT.

  FLOODING WILL REMAIN POSSIBLE ACROSS CENTRAL AND SOUTH CENTRAL
  MISSOURI TONIGHT DUE TO THE WIDESPREAD MODERATE TO HEAVY
  RAINFALL OVER THE LAST 24 HOURS.

.DAYS TWO THROUGH SEVEN...FRIDAY THROUGH WEDNESDAY.

  ANOTHER STORM SYSTEM WILL AFFECT THE REGION DURING THE MIDDLE
  OF NEXT WEEK...WHICH WILL BRING CHANCES FOR THUNDERSTORMS TO
  THE AREA.

.SPOTTER INFORMATION STATEMENT...

  SPOTTER ACTIVATION WILL NOT BE NEEDED THROUGH TONIGHT.

&&

THIS PRODUCT IS NOW AVAILABLE IN GRAPHICAL FORMAT...ALONG WITH
OTHER WEATHER...HYDROLOGICAL AND CLIMATE INFORMATION...AT
HTTP://WWW.CRH.NOAA.GOV/SGF(ALL LOWERCASE)

SCHAUMANN

In the hours before

Local storm report, Oct 22, 8:54 PM CDT, 5 hours 58 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE SPRINGFIELD MO
854 PM CDT THU OCT 22 2009

..TIME...   ...EVENT...      ...CITY LOCATION...     ...LAT.LON...
..DATE...   ....MAG....      ..COUNTY LOCATION..ST.. ...SOURCE....
            ..REMARKS..

0850 PM     FLASH FLOOD      MOUNTAIN VIEW           37.00N 91.70W
10/22/2009                   HOWELL             MO   CO-OP OBSERVER

            THREE INCHES OF RAIN SINCE 7 AM. STILL RAINING HARD.
            SEVERAL STREETS IN MOUNTAIN VIEW CLOSED DUE TO FLASH
            FLOODING.

&&

GCLAYCOM
Local storm report, Oct 22, 9:09 PM CDT, 5 hours 43 minutes before
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Local storm report, Oct 22, 9:13 PM CDT, 5 hours 39 minutes before
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Local storm report, Oct 22, 9:15 PM CDT, 5 hours 37 minutes before
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Local storm report, Oct 22, 9:17 PM CDT, 5 hours 35 minutes before
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The office that day

Everything else NWS Springfield, MO issued on the same UTC day.

IssuedProductOfficeCountiesLasted
Oct 22, 9:01 PM CDTFlash Flood WarningSGFDent, Phelps3 hr
Oct 22, 10:58 PM CDTAreal Flood WarningSGFBenton, Camden, Hickory, Miller, Morgan11 hr
Oct 22, 11:53 PM CDTAreal Flood WarningSGFDent, Douglas, Howell, Oregon, Phelps, Shannon and 1 more10 hr
Oct 23, 9:37 AM CDTAreal Flood WarningSGFDouglas, Howell, Oregon, Shannon24 hr

Nearby

Frost Advisories in Missouri, 2009Frost Advisories in Kansas, 2009Every frost advisory in 2009

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.