Alert archive / Missouri / Severe Thunderstorm Warnings in 2003

Severe Thunderstorm Warning 49, NWS Kansas City, MO

April 28, 2003Ray County, Missouri

NWS Kansas City, MO issued this severe thunderstorm warning at Apr 28, 2003, 5:38 AM CDT for Ray County, Missouri. It was in force for 52 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 28, 2003, 5:38 AM CDT (10:38 UTC)
Expired
Apr 28, 2003, 6:30 AM CDT
In force
52 min
Issued by
NWS Kansas City, MO
Area
Counties, with a storm outline in the text

County Ray County, MO

The radar

The Pleasant Hill radar (KEAX), 76 km from the middle of the area, began a volume at 10:40 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 (KTOP), launched 00:00Z, 10.6 hours before the alert went out and 148 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, Topeka, KS at 00:00Z on 2003-04-28Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 275 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, Topeka, KS at 00:00Z on 2003-04-28The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 33 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
275 J/kg
Mixed-layer CIN
-148 J/kg
Mixed-layer LCL
1280 m above ground
0-6 km bulk shear
33 kt
0-1 km storm-relative helicity
33 m²/s²
0-3 km storm-relative helicity
194 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.5

Open this sounding in Storm Lab

The text

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

100 
WUUS53 KEAX 281038
SVREAX
MOC177-281130-

BULLETIN - EAS ACTIVATION REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE KANSAS CITY/PLEASANT HILL MO
538 AM CDT MON APR 28 2003

THE NATIONAL WEATHER SERVICE IN PLEASANT HILL HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR...
  NORTHERN RAY COUNTY IN WEST CENTRAL MISSOURI

* UNTIL 630 AM CDT

* AT 535 AM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
  SEVERE THUNDERSTORM CAPABLE OF PRODUCING NICKEL SIZE HAIL.  THIS
  STORM WAS LOCATED NEAR ELMIRA...OR 31 MILES NORTHEAST OF KANSAS
  CITY...AND MOVING EAST AT 25 MPH.

* THE SEVERE THUNDERSTORM WILL BE NEAR...
   ELMIRA BY 545 AM CDT.
   KNOXVILLE BY 600 AM CDT.
   REGAL BY 630 AM CDT.

IF YOU ARE CAUGHT OUTSIDE...SEEK SHELTER FROM THE WEATHER IN A STRONG
BUILDING. DAMAGING WINDS...LARGE HAIL...VERY HEAVY RAIN...AND DEADLY
LIGHTNING ARE ALL POSSIBLE IN SEVERE THUNDERSTORMS. STAY INSIDE AWAY
FROM WINDOWS UNTIL THE STORM HAS PASSED.

REPORT SEVERE WEATHER TO THE NEAREST LAW ENFORCEMENT AGENCY. THEY
WILL RELAY YOUR REPORT TO THE NATIONAL WEATHER SERVICE OFFICE IN
PLEASANT HILL.

LAT...LON 3951 9421 3942 9420 3940 9377 3953 9378

$$


PC

The office that day

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

IssuedProductOfficeCountiesLasted
Apr 28, 3:53 AM CDTSevere Thunderstorm WarningEAXBuchanan, DeKalb37 min
Apr 28, 4:09 AM CDTSevere Thunderstorm WarningEAXClinton51 min
Apr 28, 4:53 AM CDTSevere Thunderstorm WarningEAXCaldwell52 min
Apr 28, 5:11 AM CDTSevere Thunderstorm WarningEAXClinton34 min
Apr 28, 6:11 AM CDTSevere Thunderstorm WarningEAXPlatte49 min
Apr 28, 6:20 AM CDTSevere Thunderstorm WarningEAXJackson25 min
Apr 28, 6:34 AM CDTSevere Thunderstorm WarningEAXClinton41 min
Apr 28, 6:35 AM CDTSevere Thunderstorm WarningEAXLafayette55 min
Apr 28, 7:05 AM CDTSevere Thunderstorm WarningEAXCarroll55 min
Apr 28, 7:30 AM CDTSevere Thunderstorm WarningEAXSaline60 min
Apr 28, 8:20 AM CDTSevere Thunderstorm WarningEAXHoward, Randolph55 min

Nearby

Severe Thunderstorm Warnings in Missouri, 2003Every severe thunderstorm warning in 2003

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.