Alert archive / Missouri / Severe Thunderstorm Warnings in 1995

Severe Thunderstorm Warning 44, NWS St. Louis, MO

May 12, 1995Phelps County, Missouri

NWS St. Louis, MO issued this severe thunderstorm warning at May 12, 1995, 7:07 PM CDT for Phelps County, Missouri. It was in force for 53 min.

The area

The counties it named.

The facts

Issued
May 12, 1995, 7:07 PM CDT (00:07 UTC)
Expired
May 12, 1995, 8:00 PM CDT
In force
53 min
Issued by
NWS St. Louis, MO
Area
Whole counties

County Phelps County, MO

The radar

The St Louis radar (KLSX), 133 km from the middle of the area, began a volume at 00:11 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 nearest sounding before it

Springfield, MO (KUMN), launched 00:00Z, 0.1 hours before the alert went out and 208 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 00:00Z on 1995-05-13Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 6 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 00:00Z on 1995-05-13The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 423 square meters per square second.19395878Sfc1 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
6 J/kg
Mixed-layer CIN
-335 J/kg
Mixed-layer LCL
1144 m above ground
0-6 km bulk shear
64 kt
0-1 km storm-relative helicity
423 m²/s²
0-3 km storm-relative helicity
697 m²/s²
Significant tornado parameter
0.0
Supercell composite
6.9

Open this sounding in Storm Lab

The text

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

000 
TTAA00 KSTL 130009
SVRSTL
MOC161-130100-
 
BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE ST LOUIS MO
707 PM CDT FRI MAY 12 1995
 
THE NATIONAL WEATHER SERVICE IN ST LOUIS HAS ISSUED A
SEVERE THUNDERSTORM WARNING EFFECTIVE UNTIL  800 PM CDT
FOR PEOPLE IN THE FOLLOWING LOCATION...
 
IN EAST CENTRAL MISSOURI
 
   ...NORTHERN PHELPS COUNTY
 
AT 705 PM...DOPPLER RADAR INDICATED A SEVERE THUNDERSTORM ABOUT 20 MILES
WEST OF ROLLA...JUST ABOUT TO ENTER EXTREME WESTERN PHELPS COUNTY. THIS
STORM WAS MOVING EAST AT 35 MILES AN HOUR AND WILL MOVE NEAR THE
COMMUNITIES OF JEROME BY 730 PM...ROLLA AROUND 745 PM...AND ST JAMES
BY 800 PM.
 
THIS STORM HAS BEEN PRODUCING LARGE HAIL. STAY INSIDE AND AWAY FROM
WINDOWS.
 
SHEA/VA

The office that day

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

IssuedProductOfficeCountiesLasted
May 13, 10:33 AM CDTSevere Thunderstorm WarningLSXClark42 min
May 13, 2:51 PM CDTSevere Thunderstorm WarningLSXScotland54 min
May 13, 3:14 PM CDTSevere Thunderstorm WarningLSXClark46 min
May 13, 3:23 PM CDTTornado WarningLSXClark46 min
May 13, 4:33 PM CDTSevere Thunderstorm WarningLSXLewis17 min

Nearby

Severe Thunderstorm Warnings in Missouri, 1995Every severe thunderstorm warning in 1995

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.