Alert archive / Missouri / Severe Thunderstorm Warnings in 2015
Severe Thunderstorm Warning 7, NWS St. Louis, MO
NWS St. Louis, MO issued this severe thunderstorm warning at Apr 2, 2015, 7:39 PM CDT for Saint Francois County, Missouri. It was in force for 18 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 2, 2015, 7:39 PM CDT (00:39 UTC)
- Expired
- Apr 2, 2015, 7:57 PM CDT
- In force
- 18 min
- Issued by
- NWS St. Louis, MO
- Area
- Storm-based polygon
- Tornado
- Possible
- Hail
- 1.75 in
- Wind
- 60.0 mph
County Saint Francois County, MO
The radar
The St Louis radar (KLSX), 86 km from the middle of the area, began a volume at 00:39 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
Lincoln, IL (KILX), launched 00:00Z, 0.7 hours before the alert went out and 298 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.
- Mixed-layer CAPE
- 0 J/kg
- Mixed-layer CIN
- No buoyant parcel
- Mixed-layer LCL
- 1389 m above ground
- 0-6 km bulk shear
- 59 kt
- 0-1 km storm-relative helicity
- -7 m²/s²
- 0-3 km storm-relative helicity
- 55 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted, in the capitals the NWS used until 2016.
528
WUUS53 KLSX 030039
SVRLSX
MOC187-030130-
/O.NEW.KLSX.SV.W.0007.150403T0039Z-150403T0130Z/
BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE ST LOUIS MO
739 PM CDT THU APR 2 2015
THE NATIONAL WEATHER SERVICE IN ST LOUIS HAS ISSUED A
* SEVERE THUNDERSTORM WARNING FOR...
ST. FRANCOIS COUNTY IN SOUTHEAST MISSOURI...
* UNTIL 830 PM CDT
* AT 736 PM CDT...A SEVERE THUNDERSTORM WAS LOCATED NEAR MINERAL
POINT...AND MOVING SOUTHEAST AT 30 MPH.
HAZARD...GOLF BALL SIZE HAIL AND 60 MPH WIND GUSTS.
SOURCE...TRAINED WEATHER SPOTTERS. ONE AND HALF INCH HAIL WAS
REPORTED 2 MILES SOUTHEAST OF MINERAL POINT AT 734 PM.
IMPACT...PEOPLE AND ANIMALS OUTDOORS WILL BE INJURED. EXPECT HAIL
DAMAGE TO ROOFS...SIDING...WINDOWS AND VEHICLES. EXPECT
WIND DAMAGE TO ROOFS...SIDING AND TREES.
* LOCATIONS IMPACTED INCLUDE...
BONNE TERRE...LEADWOOD...BISMARCK...DESLOGE...PARK HILLS...
FRANKCLAY...FRENCH VILLAGE...LEADINGTON AND DOE RUN.
THIS WARNING INCLUDES MISSOURI MINES HISTORIC SITE...ST. FRANCOIS
STATE PARK AND ST. JOE STATE PARK.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
THIS IS A DANGEROUS STORM. PREPARE IMMEDIATELY FOR LARGE DESTRUCTIVE
HAIL CAPABLE OF PRODUCING SIGNIFICANT DAMAGE. PEOPLE OUTSIDE SHOULD
MOVE TO A SHELTER...INSIDE A STRONG BUILDING AND AWAY FROM WINDOWS.
THIS THUNDERSTORM IS CAPABLE OF PRODUCING ALL TYPES OF SEVERE
WEATHER...INCLUDING EXTREMELY LARGE HAIL...DESTRUCTIVE STRAIGHT LINE
WINDS AND TORNADOES. MOVE QUICKLY TO A SAFE SHELTER...SUCH AS IN AN
INTERIOR ROOM...A BATHROOM OR CLOSET...OR BASEMENT.
TORRENTIAL RAINFALL IS OCCURRING WITH THIS STORM...AND MAY LEAD TO
FLASH FLOODING. DO NOT DRIVE YOUR VEHICLE THROUGH FLOODED ROADWAYS!
&&
LAT...LON 3777 9064 3804 9064 3804 9062 3802 9061
3801 9063 3800 9058 3803 9049 3802 9037
3801 9036 3791 9042 3788 9046 3786 9044
3769 9052
TIME...MOT...LOC 0038Z 301DEG 28KT 3793 9068
TORNADO...POSSIBLE
HAIL...1.75IN
WIND...60MPH
$$
GKS2 follow-up statements
089
WWUS53 KLSX 030050
SVSLSX
SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE ST LOUIS MO
750 PM CDT THU APR 2 2015
MOC187-030130-
/O.CON.KLSX.SV.W.0007.000000T0000Z-150403T0130Z/
ST. FRANCOIS MO-
750 PM CDT THU APR 2 2015
...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT FOR ST. FRANCOIS
COUNTY UNTIL 830 PM CDT...
AT 748 PM CDT...A SEVERE THUNDERSTORM WAS LOCATED NEAR BONNE TERRE...
AND MOVING EAST AT 50 MPH.
HAZARD...60 MPH WIND GUSTS AND QUARTER SIZE HAIL.
SOURCE...TRAINED WEATHER SPOTTERS.
IMPACT...HAIL DAMAGE TO VEHICLES IS EXPECTED. EXPECT WIND DAMAGE TO
ROOFS...SIDING AND TREES.
LOCATIONS IMPACTED INCLUDE...
FRENCH VILLAGE.
THIS WARNING INCLUDES MISSOURI MINES HISTORIC SITE...ST. FRANCOIS
STATE PARK AND ST. JOE STATE PARK.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
PREPARE IMMEDIATELY FOR LARGE HAIL AND DEADLY CLOUD TO GROUND
LIGHTNING. SEEK SHELTER INSIDE A WELL-BUILT STRUCTURE. STAY AWAY FROM
WINDOWS.
TORRENTIAL RAINFALL IS OCCURRING WITH THIS STORM...AND MAY LEAD TO
FLASH FLOODING. DO NOT DRIVE YOUR VEHICLE THROUGH FLOODED ROADWAYS!
&&
LAT...LON 3777 9064 3804 9064 3804 9062 3802 9061
3801 9063 3800 9058 3803 9049 3802 9037
3801 9036 3791 9042 3788 9046 3786 9044
3769 9052
TIME...MOT...LOC 0050Z 278DEG 60KT 3792 9047
HAIL...1.00IN
WIND...60MPH
$$
GKS893
WWUS53 KLSX 030057
SVSLSX
SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE ST LOUIS MO
757 PM CDT THU APR 2 2015
MOC187-030107-
/O.CAN.KLSX.SV.W.0007.000000T0000Z-150403T0130Z/
ST. FRANCOIS MO-
757 PM CDT THU APR 2 2015
...THE SEVERE THUNDERSTORM WARNING FOR ST. FRANCOIS COUNTY IS
CANCELLED...
THE STORM WHICH PROMPTED THE WARNING HAS WEAKENED AND MOVED OUT OF
THE WARNED AREA. HOWEVER...HEAVY RAIN IS STILL POSSIBLE WITH THIS
THUNDERSTORM.
TO REPORT SEVERE WEATHER...CONTACT YOUR NEAREST LAW ENFORCEMENT
AGENCY. THEY WILL RELAY YOUR REPORT TO THE NATIONAL WEATHER SERVICE
IN ST LOUIS.
LAT...LON 3777 9064 3804 9064 3804 9062 3802 9061
3801 9063 3800 9058 3803 9049 3802 9037
3801 9036 3791 9042 3788 9046 3786 9044
3769 9052
TIME...MOT...LOC 0057Z 276DEG 41KT 3792 9039
$$
GKSThe office that day
Everything else NWS St. Louis, MO issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Apr 2, 7:07 PM CDT | Severe Thunderstorm Warning | LSX | Washington | 38 min |
| Apr 2, 9:48 PM CDT | Severe Thunderstorm Warning | LSX | Gasconade, Osage | 42 min |
| Apr 2, 9:59 PM CDT | Severe Thunderstorm Warning | LSX | Franklin | 46 min |
| Apr 2, 10:23 PM CDT | Severe Thunderstorm Warning | LSX | Jefferson, Saint Louis | 52 min |
| Apr 2, 10:30 PM CDT | Severe Thunderstorm Warning | LSX | Franklin | 45 min |
Nearby
Severe Thunderstorm Warnings in Missouri, 2015Every severe thunderstorm warning in 2015
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.