Alert archive / Missouri / Special Weather Statements in 2015

Special Weather Statement, NWS Kansas City, MO

April 7, 2015Caldwell County, Missouri

NWS Kansas City, MO issued this special weather statement at Apr 7, 2015, 3:21 AM CDT for Caldwell County, Missouri. It was in force for 24 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: Apr 7, 2015, 3:21 AM CDT (08:21 UTC)
Expired: Apr 7, 2015, 3:45 AM CDT
In force: 24 min
Issued by: NWS Kansas City, MO

County Caldwell County, MO

The radar

The Pleasant Hill radar (KEAX), 102 km from the middle of the area, began a volume at 08:21 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

Topeka, KS (KFOE), launched 00:00Z, 8.4 hours before the alert went out and 161 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-p

Temperature in red, dew point in green, the mixed-layer parcel dashed.

Hodograph

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: 1110 m above ground
0-6 km bulk shear: 48 kt
0-1 km storm-relative helicity: 97 m²/s²
0-3 km storm-relative helicity: 172 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.0

Open this sounding in Storm Lab

The text

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

115 
WWUS83 KEAX 070821
SPSEAX

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE KANSAS CITY/PLEASANT HILL MO
321 AM CDT TUE APR 7 2015

MOZ022-070845-
CALDWELL MO-
321 AM CDT TUE APR 7 2015

...SIGNIFICANT WEATHER ADVISORY FOR CALDWELL COUNTY UNTIL 345 AM
CDT...

AT 316 AM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR WAS TRACKING A
STRONG THUNDERSTORM 6 MILES WEST OF KINGSTON...OR 8 MILES SOUTHEAST
OF CAMERON...MOVING NORTHEAST AT 25 MPH.

HAIL UP TO THE SIZE OF PENNIES IS EXPECTED WITH THIS STORM.

LOCATIONS NEAR THE PATH OF THIS STORM INCLUDE...
  HAMILTON AND KINGSTON.

LAT...LON 3978 9379 3961 9399 3953 9417 3971 9420
      3979 9406
TIME...MOT...LOC 0821Z 236DEG 22KT 3966 9412

$$

BLAIR

The office that day

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

Issued	Product	Office	Counties	Lasted
Apr 7, 3:16 AM CDT	Severe Thunderstorm Warning	EAX	Carroll, Lafayette, Saline	27 min
Apr 7, 3:22 AM CDT	Special Weather Statement	EAX	Carroll	23 min
Apr 7, 3:30 AM CDT	Severe Thunderstorm Warning	EAX	Caldwell, Daviess	24 min
Apr 7, 3:56 AM CDT	Special Weather Statement	EAX	Caldwell	34 min
Apr 7, 4:23 AM CDT	Special Weather Statement	EAX	Howard	37 min
Apr 7, 5:46 AM CDT	Special Weather Statement	EAX	Livingston	29 min
Apr 7, 8:33 AM CDT	Special Weather Statement	EAX	Howard	27 min
Apr 7, 9:49 AM CDT	River Flood Warning	EAX	Howard	40 hr

Nearby

Special Weather Statements in Missouri, 2015 Every 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.