Alert archive / Missouri / Severe Thunderstorm Warnings in 2001

Severe Thunderstorm Warning 95, NWS St. Louis, MO

June 14, 2001Saint Louis County, City of Saint Louis, Missouri

NWS St. Louis, MO issued this severe thunderstorm warning at Jun 14, 2001, 9:49 PM CDT for Saint Louis County, City of Saint Louis, Missouri. It was in force for 26 min. 2 reports came from inside the area while it was in force.

The area

The outline the Iowa Environmental Mesonet reconstructed for it; the warning itself named whole counties, with what was reported inside it.

The facts

Issued: Jun 14, 2001, 9:49 PM CDT (02:49 UTC)
Expired: Jun 14, 2001, 10:15 PM CDT
In force: 26 min
Issued by: NWS St. Louis, MO
Area: Whole counties; the outline is the Mesonet’s reconstruction

Counties City of Saint Louis, MO, Saint Louis County, MO

The radar

The St Louis radar (KLSX), 25 km from the middle of the area, began a volume at 02:52 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

Time	Report	Where	Remark
Jun 14, 10:00 PM CDT	Thunderstorm Wind 52 E	Fenton, MO
Jun 14, 10:10 PM CDT	Thunderstorm Wind 50 E	Carondelet, MO	Storm spotters reported a few trees down in the south part of the City of St. Louis. At Penrod and Jamieson avenues in southwest St. Louis, a tree limb fell on a sport utility vehicle, causing minor injuries to the driver.

NCEI Storm Data entries that began inside the alert's area while it was in force. Before 2003 the local storm report archive is thin, so this is the record of what happened rather than what was phoned in.

The nearest sounding before it

Lincoln, IL (KILX), launched 00:00Z, 2.8 hours before the alert went out and 229 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: 2210 J/kg
Mixed-layer CIN: -8 J/kg
Mixed-layer LCL: 1454 m above ground
0-6 km bulk shear: 12 kt
0-1 km storm-relative helicity: 54 m²/s²
0-3 km storm-relative helicity: -4 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 
WUUS53 KLSX 150249
SVRSTL
MOC189-510-150315-

BULLETIN - EAS ACTIVATION REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE ST LOUIS MO
949 PM CDT THU JUN 14 2001

THE NATIONAL WEATHER SERVICE IN ST LOUIS HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR...
  ST. LOUIS COUNTY IN EAST CENTRAL MISSOURI   
  ST. LOUIS CITY IN EAST CENTRAL MISSOURI

* UNTIL 1015 PM CDT

* AT 949 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
  SEVERE THUNDERSTORM OVER SUNSET HILLS...MOVING NORTH AT 45 MPH.

* LOCATIONS IN THE PATH...
  FRONTENAC
  LADUE
  CREVE COEUR
  ST. ANN
  OLIVETTE
  OVERLAND
  HAZELWOOD
  WOODSON TERRACE
  BRIDGETON
  BERKELEY
  CHESTERFIELD
  WILDWOOD

THE PRIMARY THREAT POSED BY THIS STORM IS DAMAGING WINDS. MOVE
QUICKLY TO THE INTERIOR PORTION OF A STURDY SHELTER...AND STAY AWAY
FROM OUTSIDE WALLS AND WINDOWS.

LAT...LON 3853 9058 3850 9032 3861 9020 3883 9015
          3884 9047 3866 9056

TES

Nearby

Severe Thunderstorm Warnings in Missouri, 2001 Every severe thunderstorm warning in 2001

Sources

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