Alert archive / Missouri / Severe Thunderstorm Warnings in 2000

Severe Thunderstorm Warning 26, NWS St. Louis, MO

March 26, 2000Ralls County, Missouri

NWS St. Louis, MO issued this severe thunderstorm warning at Mar 26, 2000, 5:11 PM CST for Ralls County, Missouri. It was in force for 49 min. No storm report in the archive falls inside the area while it was in force.

The area

The counties it named.

The facts

Issued: Mar 26, 2000, 5:11 PM CST (23:11 UTC)
Expired: Mar 26, 2000, 6:00 PM CST
In force: 49 min
Issued by: NWS St. Louis, MO
Area: Whole counties

County Ralls County, MO

The radar

The St Louis radar (KLSX), 117 km from the middle of the area, began a volume at 23:11 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 watch it was issued in

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

Issued	Product	Office	Lasted
Mar 26, 4:30 PM CST	Severe Thunderstorm Watch	SPC	5 hr

The nearest sounding before it

Davenport, (KDVN), launched 12:00Z, 11.2 hours before the alert went out and 248 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: 2204 m above ground
0-6 km bulk shear: 48 kt
0-1 km storm-relative helicity: 183 m²/s²
0-3 km storm-relative helicity: 206 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.

000 
TTAA00 KSTL 262312
SVRSTL
MOC173-270000-
BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE ST LOUIS MO
511 PM CST SUN MAR 26 2000

THE NATIONAL WEATHER SERVICE IN ST LOUIS HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR...
  RALLS COUNTY IN NORTHEASTERN MISSOURI

* UNTIL 600 PM CST

* AT 510 PM CST...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
  SEVERE THUNDERSTORM 15 MILES WEST OF NEW LONDON... MOVING EAST AT
  30 MPH.

* LOCATIONS THAT WILL BE AFFECTED...
  EASTERN PARTS OF MARK TWAIN LAKE...NEAR THE DAM
  SPAULDING
  NEW LONDON
  CENTER

SEVERE THUNDERSTORMS PRODUCE DAMAGING WIND GUSTS IN EXCESS OF 60
MPH...DAMAGING HAIL...DEADLY LIGHTNING...AND VERY HE4AVY RAIN. MOVE
TO AN INTERIOR ROOM ON THE LOWEST FLOOR OR YOUR HOME OR BUSINESS.
HEAVY RAINS FLOOD ROADS QUICKLY SO DO NOT DRIVE INTO AREAS WHERE
WATER COVERS THE ROAD.

PEDIGO/BRITT

The office that day

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

Issued	Product	Office	Counties	Lasted
Mar 26, 2:10 PM CST	Severe Thunderstorm Warning	LSX	Cole	65 min
Mar 26, 2:14 PM CST	Severe Thunderstorm Warning	LSX	Boone, Callaway	46 min
Mar 26, 2:42 PM CST	Severe Thunderstorm Warning	LSX	Osage	48 min
Mar 26, 2:56 PM CST	Severe Thunderstorm Warning	LSX	Callaway, Montgomery	49 min
Mar 26, 3:21 PM CST	Severe Thunderstorm Warning	LSX	Osage	39 min
Mar 26, 3:39 PM CST	Severe Thunderstorm Warning	LSX	Lewis	51 min
Mar 26, 3:45 PM CST	Severe Thunderstorm Warning	LSX	Shelby	65 min
Mar 26, 4:05 PM CST	Severe Thunderstorm Warning	LSX	Marion	55 min
Mar 26, 4:23 PM CST	Severe Thunderstorm Warning	LSX	Ralls	52 min
Mar 26, 4:32 PM CST	Severe Thunderstorm Warning	LSX	Audrain, Callaway	58 min
Mar 26, 4:55 PM CST	Severe Thunderstorm Warning	LSX	Monroe, Shelby	50 min
Mar 26, 5:30 PM CST	Severe Thunderstorm Warning	LSX	Pike	60 min
Mar 26, 5:44 PM CST	Severe Thunderstorm Warning	LSX	Boone, Callaway	61 min

Nearby

Severe Thunderstorm Warnings in Missouri, 2000 Every severe thunderstorm warning in 2000

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.