Alert archive / Missouri / Severe Thunderstorm Warnings in 2016

Severe Thunderstorm Warning 121, NWS St. Louis, MO

May 28, 2016Crawford County, Franklin County, Washington County, Missouri

NWS St. Louis, MO issued this severe thunderstorm warning at May 28, 2016, 8:24 PM CDT for Crawford County, Franklin County, Washington County, Missouri. It was in force for 51 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 28, 2016, 8:24 PM CDT (01:24 UTC)
Expired
May 28, 2016, 9:15 PM CDT
In force
51 min
Issued by
NWS St. Louis, MO
Area
Storm-based polygon
Tornado
Possible
Hail
1.5 in
Wind
60.0 mph

Counties Crawford County, MO, Franklin County, MO, Washington County, MO

The radar

The St Louis radar (KLSX), 72 km from the middle of the area, began a volume at 01:27 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 28, 8:35 PM CDTHAIL 1Sullivan, MO
May 28, 8:54 PM CDTHAIL 1.5Stanton, MO

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

The nearest sounding before it

Springfield, MO (KSGF), launched 00:00Z, 1.4 hours before the alert went out and 270 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 2016-05-29Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 1870 joules per kilogram.LCLLFCEL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Springfield, MO at 00:00Z on 2016-05-29The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 81 square meters per square second.193958Sfc1 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
1870 J/kg
Mixed-layer CIN
-33 J/kg
Mixed-layer LCL
1047 m above ground
0-6 km bulk shear
27 kt
0-1 km storm-relative helicity
81 m²/s²
0-3 km storm-relative helicity
129 m²/s²
Significant tornado parameter
0.5
Supercell composite
3.6

Open this sounding in Storm Lab

The text

As transmitted.

171 
WUUS53 KLSX 290124
SVRLSX
MOC055-071-221-290215-
/O.NEW.KLSX.SV.W.0121.160529T0124Z-160529T0215Z/

BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE ST LOUIS MO
824 PM CDT SAT MAY 28 2016

THE NATIONAL WEATHER SERVICE IN ST LOUIS HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR...
  SOUTHWESTERN FRANKLIN COUNTY IN EAST CENTRAL MISSOURI...
  NORTHEASTERN CRAWFORD COUNTY IN EAST CENTRAL MISSOURI...
  NORTHWESTERN WASHINGTON COUNTY IN EAST CENTRAL MISSOURI...

* UNTIL 915 PM CDT

* AT 824 PM CDT...A SEVERE THUNDERSTORM WAS LOCATED OVER SULLIVAN...
  MOVING EAST AT 10 MPH.

  HAZARD...PING PONG BALL SIZE HAIL AND 60 MPH WIND GUSTS. 

  SOURCE...TRAINED WEATHER SPOTTERS. 

  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...
  SULLIVAN...ST. CLAIR...BOURBON...PARKWAY...MIRAMIGUOA PARK...
  ST. CLOUD...JAPAN AND STANTON.

THIS INCLUDES INTERSTATE 44 IN MISSOURI BETWEEN EXITS 218 AND 239.
 
THIS ALSO INCLUDES  MERAMEC 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.

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 AN
INTERIOR ROOM...A BATHROOM...CLOSET OR BASEMENT.

&&

LAT...LON 3814 9134 3820 9137 3827 9136 3836 9096
      3814 9092
TIME...MOT...LOC 0124Z 267DEG 10KT 3821 9113 

TORNADO...POSSIBLE
HAIL...1.50IN
WIND...60MPH
 
$$

CARNEY
1 follow-up statement
129 
WWUS53 KLSX 290151
SVSLSX

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE ST LOUIS MO
851 PM CDT SAT MAY 28 2016

MOC055-071-221-290215-
/O.CON.KLSX.SV.W.0121.000000T0000Z-160529T0215Z/
FRANKLIN MO-CRAWFORD MO-WASHINGTON MO-
851 PM CDT SAT MAY 28 2016

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 915 PM CDT
FOR SOUTHWESTERN FRANKLIN...NORTHEASTERN CRAWFORD AND NORTHWESTERN
WASHINGTON COUNTIES...

AT 850 PM CDT...A SEVERE THUNDERSTORM WAS LOCATED NEAR MIRAMIGUOA
PARK...MOVING EAST AT 25 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...
SULLIVAN...ST. CLAIR...BOURBON...PARKWAY...MIRAMIGUOA PARK...
ST. CLOUD...JAPAN AND STANTON.

THIS ALSO INCLUDES  MERAMEC STATE PARK.
 
THIS INCLUDES INTERSTATE 44 IN MISSOURI BETWEEN EXITS 218 AND 239.
 
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.

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 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 3814 9134 3820 9137 3827 9136 3836 9096
      3814 9092
TIME...MOT...LOC 0150Z 271DEG 21KT 3820 9110 

TORNADO...POSSIBLE
HAIL...1.00IN
WIND...60MPH
 
$$

CARNEY

The office that day

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

IssuedProductOfficeCountiesLasted
May 28, 7:03 PM CDTSevere Thunderstorm WarningLSXCrawford, Franklin, Gasconade42 min
May 28, 7:41 PM CDTSevere Thunderstorm WarningLSXCrawford, Franklin, Washington49 min
May 28, 7:43 PM CDTRiver Flood WarningLSXLewis42 hr
May 28, 8:20 PM CDTFlash Flood WarningLSXCrawford, Franklin, Gasconade3 hr
May 28, 9:06 PM CDTSevere Thunderstorm WarningLSXFranklin, Jefferson, Washington39 min
May 28, 9:44 PM CDTSpecial Weather StatementLSXJefferson46 min
May 29, 10:52 AM CDTRiver Flood WarningLSXPerry, Sainte Genevieve6 days

Nearby

Severe Thunderstorm Warnings in Missouri, 2016Every severe thunderstorm warning in 2016

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.