Alert archive / Missouri / Severe Thunderstorm Warnings in 2004

Severe Thunderstorm Warning 113, NWS St. Louis, MO

May 27, 2004Audrain County, Boone County, Missouri

NWS St. Louis, MO issued this severe thunderstorm warning at May 27, 2004, 5:23 PM CDT for Audrain County, Boone County, Missouri. It was in force for 67 min. 2 reports came from inside the area while it was in force.

The area

The outline as issued, with what was reported inside it.

The facts

Issued
May 27, 2004, 5:23 PM CDT (22:23 UTC)
Expired
May 27, 2004, 6:30 PM CDT
In force
67 min
Issued by
NWS St. Louis, MO
Area
Counties, with a storm outline in the text

Counties Audrain County, MO, Boone County, MO

The radar

The St Louis radar (KLSX), 140 km from the middle of the area, began a volume at 22:22 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.

What was reported inside it

TimeReportWhereRemark
May 27, 5:45 PM CDTTSTM WND DMGSturgeon, MOPOWER POLE BLOWN DOWN.
May 27, 5:59 PM CDTFUNNEL CLOUDRush Hill, MO

Local storm reports filed while the alert was in force, from inside its polygon or its counties.

The watch it was issued in

The SPC watch in force over the same counties when this warning went out.

IssuedProductOfficeLasted
May 27, 2:25 PM CDTSevere Thunderstorm WatchSPC7 hr

The nearest sounding before it

Springfield, MO (KSGF), launched 12:00Z, 10.4 hours before the alert went out and 303 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 12:00Z on 2004-05-27Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 952 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, Springfield, MO at 12:00Z on 2004-05-27The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 346 square meters per square second.1939587897117Sfc1 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
952 J/kg
Mixed-layer CIN
-106 J/kg
Mixed-layer LCL
699 m above ground
0-6 km bulk shear
64 kt
0-1 km storm-relative helicity
346 m²/s²
0-3 km storm-relative helicity
384 m²/s²
Significant tornado parameter
1.5
Supercell composite
3.7

Open this sounding in Storm Lab

The text

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

120 
WUUS53 KLSX 272223
SVRLSX
MOC007-019-272330-

BULLETIN - EAS ACTIVATION REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE ST LOUIS MO
523 PM CDT THU MAY 27 2004

THE NATIONAL WEATHER SERVICE IN ST LOUIS HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR...
  AUDRAIN COUNTY IN CENTRAL MISSOURI
  NORTHEASTERN BOONE COUNTY IN CENTRAL MISSOURI

* UNTIL 630 PM CDT

* AT 523 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
  SEVERE THUNDERSTORM 12 MILES NORTHWEST OF STURGEON...MOVING   
  SOUTHEAST AT 55 MPH.

* LOCATIONS IMPACTED INCLUDE...
  STURGEON
  CENTRALIA
  MEXICO
  LADDONIA

SEVERE THUNDERSTORMS PRODUCE DAMAGING WIND IN EXCESS OF 60 MPH...
DESTRUCTIVE HAIL...DEADLY LIGHTNING...AND VERY HEAVY RAIN. FOR YOUR
PROTECTION MOVE TO AN INTERIOR ROOM ON THE LOWEST FLOOR OF YOUR HOME
OR BUSINESS. HEAVY RAINS FLOOD ROADS QUICKLY SO DO NOT DRIVE INTO
AREAS WHERE WATER COVERS THE ROAD.

LAT...LON 3939 9243 3917 9246 3908 9172 3932 9146
          3935 9222

$$

CVKING/FG

The office that day

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

IssuedProductOfficeCountiesLasted
May 26, 7:01 PM CDTTornado WarningLSXJefferson, Saint Louis44 min
May 26, 7:02 PM CDTTornado WarningLSXWashington58 min
May 26, 7:44 PM CDTTornado WarningLSXSaint Francois61 min
May 26, 8:11 PM CDTTornado WarningLSXSainte Genevieve64 min
May 27, 3:23 PM CDTSevere Thunderstorm WarningLSXPike52 min
May 27, 4:12 PM CDTSevere Thunderstorm WarningLSXPike48 min
May 27, 4:27 PM CDTSevere Thunderstorm WarningLSXPike33 min
May 27, 4:43 PM CDTSevere Thunderstorm WarningLSXMonroe, Shelby62 min
May 27, 5:40 PM CDTSevere Thunderstorm WarningLSXPike, Ralls50 min
May 27, 5:44 PM CDTFlash Flood WarningLSXMonroe, Pike, Ralls4 hr
May 27, 5:45 PM CDTSevere Thunderstorm WarningLSXMonroe15 min
May 27, 6:04 PM CDTSevere Thunderstorm WarningLSXCallaway, Montgomery41 min
May 27, 6:24 PM CDTSevere Thunderstorm WarningLSXLincoln51 min
May 27, 6:39 PM CDTSevere Thunderstorm WarningLSXWarren51 min
May 27, 6:46 PM CDTTornado WarningLSXLincoln, Warren44 min
May 27, 6:55 PM CDTSevere Thunderstorm WarningLSXSaint Louis, City of Saint Louis50 min
May 27, 6:59 PM CDTTornado WarningLSXSaint Charles46 min

Nearby

Severe Thunderstorm Warnings in Missouri, 2004Every severe thunderstorm warning in 2004

Sources

The product and its follow-ups from the Iowa Environmental Mesonet's archive of National Weather Service and Storm Prediction Center text; local storm reports from the same archive; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.