Alert archive / Missouri / Special Weather Statements in 2012

Special Weather Statement, NWS Kansas City, MO

May 3, 2012Nodaway County, Missouri

NWS Kansas City, MO issued this special weather statement at May 3, 2012, 3:14 AM CDT for Nodaway County, Missouri. It was in force for 31 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
May 3, 2012, 3:14 AM CDT (08:14 UTC)
Expired
May 3, 2012, 3:45 AM CDT
In force
31 min
Issued by
NWS Kansas City, MO

County Nodaway County, MO

The radar

The Omaha radar (KOAX), 139 km from the middle of the area, began a volume at 08:17 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

Omaha, NE (KOAX), launched 00:00Z, 8.2 hours before the alert went out and 139 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, Omaha, NE at 00:00Z on 2012-05-03Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 2533 joules per kilogram.LCLLFCEL10008507005003002001001 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, Omaha, NE at 00:00Z on 2012-05-03The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 46 square meters per square second.193958Sfc1 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
2533 J/kg
Mixed-layer CIN
-7 J/kg
Mixed-layer LCL
1223 m above ground
0-6 km bulk shear
37 kt
0-1 km storm-relative helicity
46 m²/s²
0-3 km storm-relative helicity
102 m²/s²
Significant tornado parameter
0.2
Supercell composite
1.4

Open this sounding in Storm Lab

The text

As transmitted, in the capitals the NWS used until 2016.

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What forecasters said that day

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

NWS Kansas City, MO wrote its last area forecast discussion before this special weather statement went out at May 3, 12:01 AM CDT, 3 hours 13 minutes earlier.

Area forecast discussion, May 3, 12:01 AM CDT, 3 hours 13 minutes before
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Hazardous weather outlook, May 2, 6:48 PM CDT, 8 hours 26 minutes before
HAZARDOUS WEATHER OUTLOOK
NATIONAL WEATHER SERVICE KANSAS CITY/PLEASANT HILL MO
648 PM CDT WED MAY 2 2012

KSZ025-057-060-102>105-MOZ001>008-011>017-020>025-028>033-037>040-
043>046-053-054-031215-
ATCHISON KS-MIAMI-LINN KS-DONIPHAN-LEAVENWORTH-WYANDOTTE-JOHNSON KS-
ATCHISON MO-NODAWAY-WORTH-GENTRY-HARRISON-MERCER-PUTNAM-SCHUYLER-
HOLT-ANDREW-DE KALB-DAVIESS-GRUNDY-SULLIVAN-ADAIR-BUCHANAN-CLINTON-
CALDWELL-LIVINGSTON-LINN MO-MACON-PLATTE-CLAY-RAY-CARROLL-CHARITON-
RANDOLPH-JACKSON-LAFAYETTE-SALINE-HOWARD-CASS-JOHNSON MO-PETTIS-
COOPER-BATES-HENRY-
648 PM CDT WED MAY 2 2012

THIS HAZARDOUS WEATHER OUTLOOK IS FOR NORTHWEST...NORTH CENTRAL AND
WEST CENTRAL MISSOURI...AS WELL AS EXTREME EASTERN KANSAS.

.DAY ONE...TONIGHT

THUNDERSTORMS WILL DEVELOP OVER EASTERN NEBRASKA AND WESTERN IOWA
THIS EVENING AND MOVE TO THE SOUTHEAST DURING THE OVERNIGHT HOURS.
THUNDERSTORMS MAY REACH EXTREME NORTHEASTERN KANSAS AND NORTHERN
MISSOURI AFTER MIDNIGHT. WHILE THE HIGHEST CHANCES FOR SEVERE
WEATHER WILL REMAIN NORTH OF THE OUTLOOK AREA...A FEW LINGERING
STRONG STORMS MAY BE POSSIBLE WITH THREATS OF LARGE HAIL AND DAMAGING
WINDS ACROSS EXTREME NORTHERN MISSOURI.

.DAYS TWO THROUGH SEVEN...THURSDAY THROUGH TUESDAY

SCATTERED THUNDERSTORM ACTIVITY WILL CONTINUE ACROSS NORTHERN AND
CENTRAL MISSOURI THURSDAY MORNING...ALTHOUGH THE ALREADY SMALL SEVERE
POTENTIAL WILL BE EVEN FURTHER DIMINISH. BY THE AFTERNOON AND EVENING
HOURS...ADDITIONAL THUNDERSTORMS MAY DEVELOP IN NORTHERN
KANSAS...SOUTHEAST NEBRASKA AND SOUTHWEST IOWA AND MOVE SOUTHEAST
INTO THE OUTLOOK AREA OVERNIGHT. A FEW STRONG TO SEVERE THUNDERSTORMS
WILL BE POSSIBLE THROUGH FRIDAY MORNING WITH THREATS OF LARGE HAIL
AND DAMAGING WINDS.

UNSEASONABLY WARM AND HUMID AIR WILL OVERTAKE THE REGION BY FRIDAY
WITH TEMPERATURES CLIMBING NEAR 90 DEGREES FRIDAY AND SATURDAY. HEAT
INDEX VALUES NEAR 95 DEGREES WILL BE POSSIBLE FRIDAY AND SATURDAY
AFTERNOON.

THUNDERSTORM CHANCES WILL RETURN SUNDAY AFTERNOON HOWEVER...IT IS
TOO EARLY TO DETERMINE IF SEVERE WEATHER IS POSSIBLE.

.SPOTTER INFORMATION STATEMENT...

SPOTTER ACTIVATION IS NOT ANTICIPATED THROUGH TONIGHT...BUT MAY BE
NEEDED THURSDAY EVENING AND NIGHT.

CUTTER

In the hours before

Special weather statement, May 3, 3:14 AM CDT, 0 minutes before
SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE KANSAS CITY/PLEASANT HILL MO
314 AM CDT THU MAY 3 2012

MOZ002-030845-
NODAWAY MO-
314 AM CDT THU MAY 3 2012

...SIGNIFICANT WEATHER ADVISORY FOR NORTHWESTERN NODAWAY COUNTY UNTIL
345 AM CDT...

AT 312 AM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR WAS TRACKING A
STRONG THUNDERSTORM 8 MILES NORTHWEST OF BURLINGTON JUNCTION...OR 13
MILES NORTHEAST OF TARKIO...MOVING EAST AT 30 MPH.

HAIL UP TO THE SIZE OF PENNIES AND WIND GUSTS UP TO 40 MPH ARE
EXPECTED WITH THIS STORM.

LOCATIONS NEAR THE PATH OF THIS STORM INCLUDE...
  HOPKINS...ELMO...CLEARMONT AND PICKERING.

LAT...LON 4058 9511 4058 9479 4042 9480 4046 9518
      4048 9518 4048 9519 4054 9520 4058 9520
      4058 9514
TIME...MOT...LOC 0815Z 271DEG 25KT 4053 9514

HAWBLITZEL

The office that day

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

IssuedProductOfficeCountiesLasted
May 3, 3:45 AM CDTSpecial Weather StatementEAXNodaway45 min
May 3, 5:29 AM CDTSevere Thunderstorm WarningEAXBuchanan31 min
May 3, 5:37 AM CDTSpecial Weather StatementEAXAndrew23 min
May 3, 5:48 AM CDTSevere Thunderstorm WarningEAXAndrew, Buchanan27 min
May 3, 6:15 AM CDTSpecial Weather StatementEAXClinton, DeKalb45 min
May 3, 9:37 AM CDTAreal Flood WarningEAXCaldwell, Clinton4 hr
May 3, 9:45 AM CDTSpecial Weather StatementEAXCaldwell30 min
May 3, 5:08 AM CDTSpecial Weather StatementEAXDoniphan37 min

Nearby

Special Weather Statements in Missouri, 2012Every special weather statement in 2012

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.