Alert archive / Missouri / Severe Thunderstorm Warnings in 2016

Severe Thunderstorm Warning 26, NWS St. Louis, MO

April 27, 2016Crawford County, Missouri

NWS St. Louis, MO issued this severe thunderstorm warning at Apr 27, 2016, 7:23 PM CDT for Crawford County, Missouri. It was in force for 37 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: Apr 27, 2016, 7:23 PM CDT (00:23 UTC)
Expired: Apr 27, 2016, 8:00 PM CDT
In force: 37 min
Issued by: NWS St. Louis, MO
Area: Storm-based polygon
Hail: 1.25 in
Wind: 60.0 mph

County Crawford County, MO

The radar

The St Louis radar (KLSX), 86 km from the middle of the area, began a volume at 00:24 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
Apr 27, 7:29 PM CDT	HAIL 0.25	Cuba, MO
Apr 27, 7:41 PM CDT	HAIL 0.75	5 Ese Leasburg, 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, 0.4 hours before the alert went out and 258 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: 7 J/kg
Mixed-layer CIN: -64 J/kg
Mixed-layer LCL: 2025 m above ground
0-6 km bulk shear: 24 kt
0-1 km storm-relative helicity: 32 m²/s²
0-3 km storm-relative helicity: 53 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.1

Open this sounding in Storm Lab

The text

As transmitted.

931 
WUUS53 KLSX 280023
SVRLSX
MOC055-280100-
/O.NEW.KLSX.SV.W.0026.160428T0023Z-160428T0100Z/

BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE ST LOUIS MO
723 PM CDT WED APR 27 2016

THE NATIONAL WEATHER SERVICE IN ST LOUIS HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR...
  NORTHERN CRAWFORD COUNTY IN EAST CENTRAL MISSOURI...

* UNTIL 800 PM CDT

* AT 723 PM CDT...A SEVERE THUNDERSTORM WAS LOCATED NEAR STEELVILLE...
  MOVING NORTHEAST AT 30 MPH.

  HAZARD...60 MPH WIND GUSTS AND HALF DOLLAR SIZE HAIL. 

  SOURCE...RADAR INDICATED. 

  IMPACT...HAIL DAMAGE TO VEHICLES IS EXPECTED. EXPECT WIND DAMAGE 
           TO ROOFS...SIDING...AND TREES. 

* LOCATIONS IMPACTED INCLUDE...
  SULLIVAN...CUBA...STEELVILLE...BOURBON...LEASBURG AND ST. CLOUD. 

THIS INCLUDES INTERSTATE 44 IN MISSOURI BETWEEN EXITS 208 AND 218.
 
THIS ALSO INCLUDES  ONONDAGA CAVE STATE PARK AND MERAMEC STATE PARK.
 
PRECAUTIONARY/PREPAREDNESS ACTIONS...

A TORNADO WATCH REMAINS IN EFFECT FOR THE WARNED AREA. TORNADOES CAN
DEVELOP QUICKLY FROM SEVERE THUNDERSTORMS. ALTHOUGH A TORNADO IS NOT
IMMEDIATELY LIKELY...IF ONE IS SPOTTED...ACT QUICKLY AND MOVE TO A
PLACE OF SAFETY INSIDE A STURDY STRUCTURE SUCH AS A BASEMENT OR SMALL
INTERIOR ROOM.

FOR YOUR PROTECTION MOVE TO AN INTERIOR ROOM ON THE LOWEST FLOOR OF A
BUILDING.

TO REPORT SEVERE WEATHER...CONTACT YOUR NEAREST LAW ENFORCEMENT
AGENCY. THEY WILL SEND YOUR REPORT TO THE NATIONAL WEATHER SERVICE
OFFICE IN ST LOUIS.

&&

LAT...LON 3807 9148 3821 9111 3820 9110 3802 9109
      3794 9143
TIME...MOT...LOC 0023Z 243DEG 27KT 3801 9139 

HAIL...1.25IN
WIND...60MPH
 
$$

GOSSELIN

2 follow-up statements

755 
WWUS53 KLSX 280042
SVSLSX

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE ST LOUIS MO
742 PM CDT WED APR 27 2016

MOC055-280100-
/O.CON.KLSX.SV.W.0026.000000T0000Z-160428T0100Z/
CRAWFORD MO-
742 PM CDT WED APR 27 2016

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 800 PM CDT
FOR NORTHEASTERN CRAWFORD COUNTY...

AT 742 PM CDT...A SEVERE THUNDERSTORM WAS LOCATED NEAR LEASBURG...
MOVING NORTHEAST AT 35 MPH.

HAZARD...60 MPH WIND GUSTS AND HALF DOLLAR SIZE HAIL. 

SOURCE...RADAR INDICATED. 

IMPACT...HAIL DAMAGE TO VEHICLES IS EXPECTED. EXPECT WIND DAMAGE TO 
         ROOFS...SIDING...AND TREES. 

LOCATIONS IMPACTED INCLUDE...
SULLIVAN...BOURBON...LEASBURG AND ST. CLOUD. 

THIS ALSO INCLUDES  ONONDAGA CAVE STATE PARK AND MERAMEC STATE PARK.
 
THIS INCLUDES INTERSTATE 44 IN MISSOURI BETWEEN EXITS 214 AND 218.
 
PRECAUTIONARY/PREPAREDNESS ACTIONS...

FOR YOUR PROTECTION MOVE TO AN INTERIOR ROOM ON THE LOWEST FLOOR OF A
BUILDING.

TO REPORT SEVERE WEATHER CONTACT YOUR NEAREST LAW ENFORCEMENT AGENCY.
THEY WILL SEND YOUR REPORT TO THE NATIONAL WEATHER SERVICE OFFICE IN
ST LOUIS.

&&

LAT...LON 3812 9134 3821 9111 3820 9110 3802 9109
      3798 9126
TIME...MOT...LOC 0042Z 245DEG 31KT 3808 9121 

HAIL...1.25IN
WIND...60MPH
 
$$

GOSSELIN

228 
WWUS53 KLSX 280055
SVSLSX

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE ST LOUIS MO
755 PM CDT WED APR 27 2016

MOC055-280105-
/O.EXP.KLSX.SV.W.0026.000000T0000Z-160428T0100Z/
CRAWFORD MO-
755 PM CDT WED APR 27 2016

...THE SEVERE THUNDERSTORM WARNING FOR NORTHEASTERN CRAWFORD COUNTY
WILL EXPIRE AT 800 PM CDT...
        
THE STORM WHICH PROMPTED THE WARNING HAS WEAKENED BELOW SEVERE
LIMITS...AND HAVE EXITED THE WARNED AREA. THEREFORE THE WARNING WILL
BE ALLOWED TO EXPIRE.

LAT...LON 3812 9134 3821 9111 3820 9110 3802 9109
      3798 9126
TIME...MOT...LOC 0053Z 243DEG 27KT 3808 9121 

$$

GOSSELIN

The office that day

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

Issued	Product	Office	Counties	Lasted
Apr 27, 7:39 PM CDT	Tornado Warning	LSX	Lewis, Marion	36 min
Apr 27, 7:39 PM CDT	Tornado Warning	LSX	Knox	21 min
Apr 27, 7:46 PM CDT	Severe Thunderstorm Warning	LSX	Knox, Shelby	44 min
Apr 27, 7:59 PM CDT	Severe Thunderstorm Warning	LSX	Marion, Shelby	46 min
Apr 27, 8:23 PM CDT	Tornado Warning	LSX	Lewis, Marion, Shelby	37 min
Apr 27, 8:30 PM CDT	Severe Thunderstorm Warning	LSX	Lewis	30 min
Apr 27, 8:48 PM CDT	Severe Thunderstorm Warning	LSX	Lewis, Marion	42 min
Apr 27, 9:15 PM CDT	Tornado Warning Tornado observed	LSX	Lewis	30 min
Apr 27, 9:24 PM CDT	Severe Thunderstorm Warning	LSX	Saint Charles	38 min
Apr 27, 9:56 PM CDT	Severe Thunderstorm Warning	LSX	Franklin, Jefferson	34 min
Apr 27, 10:59 PM CDT	Severe Thunderstorm Warning	LSX	Jefferson, Saint Louis	23 min
Apr 28, 9:53 AM CDT	River Flood Warning	LSX	Callaway, Osage	8 days
Apr 28, 9:53 AM CDT	River Flood Warning	LSX	Gasconade, Montgomery	8 days
Apr 28, 9:53 AM CDT	River Flood Warning	LSX	Gasconade, Montgomery	6 days

Nearby

Severe Thunderstorm Warnings in Missouri, 2016 Every 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.