Alert archive / Missouri / Special Weather Statements in 2015

Special Weather Statement, NWS Kansas City, MO

August 10, 2015Nodaway County, Missouri

NWS Kansas City, MO issued this special weather statement at Aug 10, 2015, 2:21 AM CDT for Nodaway County, Missouri. It was in force for 39 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
Aug 10, 2015, 2:21 AM CDT (07:21 UTC)
Expired
Aug 10, 2015, 3:00 AM CDT
In force
39 min
Issued by
NWS Kansas City, MO

County Nodaway County, MO

The radar

The Omaha radar (KOAX), 146 km from the middle of the area, began a volume at 07:24 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, 7.4 hours before the alert went out and 146 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 2015-08-10Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 1926 joules per kilogram.LCLLFCEL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Omaha, NE at 00:00Z on 2015-08-10The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity -16 square meters per square second.19395878Sfc1 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
1926 J/kg
Mixed-layer CIN
-35 J/kg
Mixed-layer LCL
1109 m above ground
0-6 km bulk shear
36 kt
0-1 km storm-relative helicity
-16 m²/s²
0-3 km storm-relative helicity
40 m²/s²
Significant tornado parameter
-0.0
Supercell composite
-0.3

Open this sounding in Storm Lab

The text

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

580 
WWUS83 KEAX 100721
SPSEAX

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE KANSAS CITY/PLEASANT HILL MO
221 AM CDT MON AUG 10 2015
 
MOZ001-002-100800-
NODAWAY MO-ATCHISON MO-
221 AM CDT MON AUG 10 2015

...SIGNIFICANT WEATHER ADVISORY FOR NORTHEASTERN ATCHISON AND
NORTHWESTERN NODAWAY COUNTIES UNTIL 300 AM CDT...

AT 221 AM CDT...DOPPLER RADAR WAS TRACKING A STRONG THUNDERSTORM OVER
COIN...OR 18 MILES NORTHEAST OF TARKIO...MOVING SOUTHEAST AT 20 MPH.

NICKEL SIZE HAIL AND WINDS IN EXCESS OF 40 MPH WILL BE POSSIBLE WITH
THIS STORM.

LOCATIONS IMPACTED INCLUDE...
BURLINGTON JUNCTION...CLEARMONT...ELMO...BRADDYVILLE...QUITMAN AND
BLANCHARD.

LAT...LON 4058 9491 4057 9487 4054 9482 4035 9507
      4058 9529
TIME...MOT...LOC 0721Z 316DEG 18KT 4068 9524 

$$

LEIGHTON

The office that day

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

IssuedProductOfficeCountiesLasted
Aug 9, 7:22 PM CDTRiver Flood WarningEAXLinn, Livingston25 hr
Aug 9, 8:35 PM CDTRiver Flood WarningEAXAndrew, Buchanan3 days
Aug 10, 2:29 AM CDTSevere Thunderstorm WarningEAXAtchison, Nodaway46 min
Aug 10, 3:06 AM CDTSpecial Weather StatementEAXNodaway39 min
Aug 10, 3:16 AM CDTSevere Thunderstorm WarningEAXNodaway32 min
Aug 10, 4:21 AM CDTSpecial Weather StatementEAXJohnson39 min
Aug 10, 4:28 AM CDTSevere Thunderstorm WarningEAXCass, Henry, Johnson47 min
Aug 10, 5:12 AM CDTSevere Thunderstorm WarningEAXBates, Henry48 min
Aug 10, 2:18 PM CDTSpecial Weather StatementEAXJohnson27 min
Aug 10, 2:22 PM CDTSevere Thunderstorm WarningEAXCass, Jackson, Johnson, Lafayette23 min
Aug 10, 3:10 PM CDTSpecial Weather StatementEAXHenry35 min

Nearby

Special Weather Statements in Missouri, 2015Every special weather statement in 2015

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.