Alert archive / Missouri / Severe Thunderstorm Warnings in 2008

Severe Thunderstorm Warning 331, NWS St. Louis, MO

June 26, 2008Monroe County, Pike County, Ralls County, Missouri; Pike County, Illinois

NWS St. Louis, MO issued this severe thunderstorm warning at Jun 26, 2008, 1:46 AM CDT for Monroe County, Pike County, Ralls County, Missouri; Pike County, Illinois. It was in force for 59 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
Jun 26, 2008, 1:46 AM CDT (06:46 UTC)
Expired
Jun 26, 2008, 2:45 AM CDT
In force
59 min
Issued by
NWS St. Louis, MO
Area
Storm-based polygon

Counties Pike County, IL, Monroe County, MO, Pike County, MO, Ralls County, MO

The radar

The St Louis radar (KLSX), 118 km from the middle of the area, began a volume at 06:47 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 watch it was issued in

The SPC watch in force over the same counties when this warning went out.

IssuedProductOfficeLasted
Jun 25, 11:53 PM CDTSevere Thunderstorm WatchSPC5 hr

The nearest sounding before it

Davenport, (KDVN), launched 00:00Z, 6.8 hours before the alert went out and 240 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, Davenport, at 00:00Z on 2008-06-26Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 2577 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, Davenport, at 00:00Z on 2008-06-26The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 88 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
2577 J/kg
Mixed-layer CIN
-42 J/kg
Mixed-layer LCL
1016 m above ground
0-6 km bulk shear
28 kt
0-1 km storm-relative helicity
88 m²/s²
0-3 km storm-relative helicity
110 m²/s²
Significant tornado parameter
0.0
Supercell composite
3.8

Open this sounding in Storm Lab

The text

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

000 
WUUS53 KLSX 260646
SVRLSX
ILC149-MOC137-163-173-260745-
/O.NEW.KLSX.SV.W.0331.080626T0646Z-080626T0745Z/

BULLETIN - EAS ACTIVATION REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE ST LOUIS MO
146 AM CDT THU JUN 26 2008

THE NATIONAL WEATHER SERVICE IN ST LOUIS HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR...
  MONROE COUNTY IN NORTHEAST MISSOURI
  NORTHERN PIKE COUNTY IN NORTHEAST MISSOURI
  RALLS COUNTY IN NORTHEAST MISSOURI
  PIKE COUNTY IN WEST CENTRAL ILLINOIS

* UNTIL 245 AM CDT

* AT 142 AM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
  LINE OF SEVERE THUNDERSTORMS CAPABLE OF PRODUCING PENNY SIZE
  HAIL...AND DAMAGING WINDS IN EXCESS OF 60 MPH. THESE STORMS WERE
  LOCATED ALONG A LINE EXTENDING FROM 13 MILES NORTHEAST OF
  GRIGGSVILLE TO 5 MILES NORTHWEST OF WOODLAWN...OR ALONG A LINE
  EXTENDING FROM 14 MILES SOUTHWEST OF BEARDSTOWN TO 13 MILES
  SOUTHEAST OF MACON...AND MOVING SOUTHEAST AT 30 MPH.

* LOCATIONS IMPACTED INCLUDE...
  GRANVILLE...
  BARRY...
  SPAULDING...
  GRIGGSVILLE...
  NEW LONDON...
  MADISON...
  PARIS...
  PITTSFIELD...
  CENTER...
  FRANKFORD...

SEVERE THUNDERSTORMS PRODUCE DAMAGING WIND IN EXCESS OF 60 MPH...
DESTRUCTIVE HAIL...DEADLY LIGHTNING...AND VERY HEAVY RAIN. FOR YOUR
PROTECTION MOVE TO AN INTERIOR ROOM ON THE LOWEST FLOOR OF YOUR HOME
OR BUSINESS. HEAVY RAINS FLOOD ROADS QUICKLY SO DO NOT DRIVE INTO
AREAS WHERE WATER COVERS THE ROAD.

LAT...LON 3961 9229 3969 9131 3985 9058 3971 9064
      3957 9058 3941 9062 3935 9229 3942 9232
TIME...MOT...LOC 0646Z 337DEG 26KT 3985 9060 3960 9227

$$

GKS
2 follow-up statements
000 
WWUS53 KLSX 260706
SVSLSX

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE ST LOUIS MO
205 AM CDT THU JUN 26 2008

ILC149-MOC137-163-173-260745-
/O.CON.KLSX.SV.W.0331.000000T0000Z-080626T0745Z/
PIKE IL-PIKE MO-MONROE MO-RALLS MO-
205 AM CDT THU JUN 26 2008

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 245 AM CDT
FOR PIKE COUNTY IN WEST CENTRAL ILLINOIS...AND RALLS...MONROE AND
NORTHERN PIKE COUNTIES IN NORTHEAST MISSOURI...

AT 204 AM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR CONTINUED TO
INDICATE A LINE OF SEVERE THUNDERSTORMS CAPABLE OF PRODUCING PENNY
SIZE HAIL...AND DAMAGING WINDS IN EXCESS OF 60 MPH. THESE STORMS WERE
LOCATED ALONG A LINE EXTENDING FROM DETROIT TO MADISON...OR ALONG A
LINE EXTENDING FROM 7 MILES EAST OF PITTSFIELD TO 11 MILES EAST OF
MOBERLY...MOVING SOUTH AT 35 MPH.

LOCATIONS NEAR THE PATH OF SEVERE THUNDERSTORMS INCLUDE...DETROIT...
NEW HARTFORD...CENTER...ASHBURN...MILTON...TIME...SUMMER HILL...
ROCKPORT...MARTINSBURG AND INDEPENDENCE.

SEVERE THUNDERSTORMS PRODUCE DAMAGING WIND IN EXCESS OF 60 MPH...
DESTRUCTIVE HAIL...DEADLY LIGHTNING...AND VERY HEAVY RAIN. FOR YOUR
PROTECTION MOVE TO AN INTERIOR ROOM ON THE LOWEST FLOOR OF YOUR HOME
OR BUSINESS. HEAVY RAINS FLOOD ROADS QUICKLY SO DO NOT DRIVE INTO
AREAS WHERE WATER COVERS THE ROAD.

LAT...LON 3958 9229 3965 9182 3969 9131 3983 9062
      3969 9064 3958 9058 3941 9062 3935 9229
      3940 9232
TIME...MOT...LOC 0705Z 342DEG 23KT 3964 9069 3943 9223

$$

GKS
000 
WWUS53 KLSX 260745
SVSLSX

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE ST LOUIS MO
243 AM CDT THU JUN 26 2008

ILC149-MOC137-163-173-260753-
/O.EXP.KLSX.SV.W.0331.000000T0000Z-080626T0745Z/
PIKE IL-PIKE MO-MONROE MO-RALLS MO-
243 AM CDT THU JUN 26 2008

...THE SEVERE THUNDERSTORM WARNING FOR PIKE COUNTY IN WEST CENTRAL
ILLINOIS...AND RALLS...MONROE AND NORTHERN PIKE COUNTIES IN NORTHEAST
MISSOURI EXPIRES AT 245 AM CDT...

THE LINE OF STORMS WHICH PROMPTED THE WARNING HAS WEAKENED SLIGHTLY 
AND MOVED SOUTH OF THE WARNED AREA.

ADDITIONAL STRONG THUNDERSTORMS ARE POSSIBLE...AND A SEVERE 
THUNDERSTORM WATCH REMAINS IN EFFECT UNTIL 5 AM.

LAT...LON 3958 9229 3965 9182 3969 9131 3983 9062
      3969 9064 3958 9058 3941 9062 3935 9229
      3940 9232
TIME...MOT...LOC 0743Z 342DEG 23KT 3941 9060 3920 9213

$$

GKS

The office that day

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

IssuedProductOfficeCountiesLasted
Jun 25, 8:39 PM CDTRiver Flood WarningLSXJefferson, Saint Louis10 days
Jun 26, 12:38 AM CDTSevere Thunderstorm WarningLSXKnox, Lewis67 min
Jun 26, 1:14 AM CDTSevere Thunderstorm WarningLSXMarion, Shelby61 min

Nearby

Severe Thunderstorm Warnings in Missouri, 2008Severe Thunderstorm Warnings in Illinois, 2008Every severe thunderstorm warning in 2008

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.