Alert archive / Illinois / Flash Flood Warnings in 2008

Flash Flood Warning 46, NWS St. Louis, MO

June 4, 2008Pike County, Illinois

NWS St. Louis, MO issued this flash flood warning at Jun 4, 2008, 12:23 AM CDT for Pike County, Illinois. It was in force for 6 hr. 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 4, 2008, 12:23 AM CDT (05:23 UTC)
Expired: Jun 4, 2008, 6:30 AM CDT
In force: 6 hr
Issued by: NWS St. Louis, MO
Area: Storm-based polygon
Flood severity: None

County Pike County, IL

The nearest sounding before it

Lincoln, IL (KILX), launched 00:00Z, 5.4 hours before the alert went out and 206 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: 2538 J/kg
Mixed-layer CIN: -28 J/kg
Mixed-layer LCL: 775 m above ground
0-6 km bulk shear: 58 kt
0-1 km storm-relative helicity: 207 m²/s²
0-3 km storm-relative helicity: 240 m²/s²
Significant tornado parameter: 3.9
Supercell composite: 14.4

Open this sounding in Storm Lab

The text

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

000 
WGUS53 KLSX 040527
FFWLSX
ILC149-041130-
/O.NEW.KLSX.FF.W.0046.080604T0523Z-080604T1130Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/

BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE ST LOUIS MO
1223 AM CDT WED JUN 4 2008

THE NATIONAL WEATHER SERVICE IN ST LOUIS HAS ISSUED A

* FLASH FLOOD WARNING FOR...
  PIKE COUNTY IN WEST CENTRAL ILLINOIS

* UNTIL 630 AM CDT

* AT 1220 AM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED
  THUNDERSTORMS PRODUCING VERY HEAVY RAIN OVER THE WARNED AREA. RADAR
  ESTIMATES OVER 5 INCHES OF RAIN HAS FALLEN SINCE TUESDAY EVENING.

* FLASH FLOODING CAN BE EXPECTED ACROSS THE AREA...AND WILL BE       
  AFFECTING NEW CANTON...ELDARA...PITTSFIELD...DETROIT...
  INDEPENDENCE...MARTINSBURG...ROCKPORT...AND PLEASANT HILL...       
  GRIGGSVILLE...AND BARRY.

A FLASH FLOOD WARNING MEANS THAT FLOODING IS IMMINENT OR OCCURRING.
IF YOU ARE IN THE WARNING AREA MOVE TO HIGHER GROUND IMMEDIATELY.
RESIDENTS LIVING ALONG STREAMS AND CREEKS SHOULD TAKE IMMEDIATE
PRECAUTIONS TO PROTECT LIFE AND PROPERTY. DO NOT ATTEMPT TO CROSS
SWIFTLY FLOWING WATERS OR WATERS OF UNKNOWN DEPTH BY FOOT OR BY
AUTOMOBILE.

BE ESPECIALLY CAUTIOUS AT NIGHT WHEN IT IS HARDER TO RECOGNIZE THE
DANGERS OF FLOODING. IF FLASH FLOODING IS OBSERVED ACT QUICKLY. MOVE
UP TO HIGHER GROUND TO ESCAPE FLOOD WATERS. DO NOT STAY IN AREAS
SUBJECT TO FLOODING WHEN WATER BEGINS RISING.

DO NOT UNDERESTIMATE THE POWER OF FLOOD WATERS. ONLY A FEW INCHES OF
RAPIDLY FLOWING WATER CAN QUICKLY CARRY AWAY YOUR VEHICLE.

LAT...LON 3984 9058 3971 9065 3956 9058 3939 9062
      3940 9095 3941 9098 3945 9105 3952 9109
      3954 9114 3972 9137 3976 9137 3977 9092
      3985 9092
TIME...MOT...LOC 0523Z 180DEG 0KT 3963 9089

$$

CARNEY

1 follow-up statement

000 
WGUS73 KLSX 041129
FFSLSX

FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE ST LOUIS MO
623 AM CDT WED JUN 4 2008

ILC149-041133-
/O.EXP.KLSX.FF.W.0046.000000T0000Z-080604T1130Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
PIKE IL-
623 AM CDT WED JUN 4 2008

...THE FLASH FLOOD WARNING WILL EXPIRE AT 630 AM CDT FOR PIKE COUNTY
IN WEST CENTRAL ILLINOIS...

THE STORMS WHICH PRODUCED THE HEAVY RAINS EARLIER HAVE MOVED OUT OF
THE WARNED AREA.

A CHECK WITH AREA LAW ENFORCEMENT INDICATES THAT FLOODING IS NO
LONGER A PROBLEM IN THE AREA.

MOTORISTS SHOULD USE CAUTION WHEN APPROACHING AREAS THAT EXPERIENCED
HIGH WATER LEVELS...AS THE FAST FLOWING WATER MAY HAVE DAMAGED 
ROADWAYS AND BRIDGES.  ONE AREA THAT EXPERIENCED HIGH WATER LEVELS
WAS COUNTY HIGHWAY 7 AT BAY CREEK. 

LAT...LON 3984 9058 3971 9065 3956 9058 3939 9062
      3940 9095 3941 9098 3945 9105 3952 9109
      3954 9114 3972 9137 3976 9137 3977 9092
      3985 9092
TIME...MOT...LOC 1123Z 180DEG 0KT 3963 9089

$$

GKS

The office that day

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

Issued	Product	Office	Counties	Lasted
Jun 3, 7:41 PM CDT	Severe Thunderstorm Warning	LSX	Calhoun, Greene, Pike	49 min
Jun 3, 7:57 PM CDT	Tornado Warning	LSX	Calhoun, Greene, Pike	48 min
Jun 3, 8:11 PM CDT	Tornado Warning	LSX	Greene, Jersey	49 min
Jun 3, 8:35 PM CDT	Flash Flood Warning	LSX	Calhoun, Greene, Pike	4 hr
Jun 3, 8:52 PM CDT	Tornado Warning	LSX	Greene, Macoupin	38 min
Jun 3, 9:06 PM CDT	Tornado Warning	LSX	Calhoun, Greene, Jersey	39 min
Jun 3, 9:43 PM CDT	Tornado Warning	LSX	Greene, Jersey, Macoupin	47 min
Jun 3, 9:53 PM CDT	River Flood Warning	LSX	Saint Clair	36 days
Jun 3, 10:43 PM CDT	Severe Thunderstorm Warning	LSX	Macoupin, Montgomery	35 min
Jun 3, 11:10 PM CDT	Tornado Warning	LSX	Pike	50 min
Jun 4, 2:55 AM CDT	Severe Thunderstorm Warning	LSX	Monroe, Randolph, Saint Clair	50 min
Jun 4, 3:11 AM CDT	Tornado Warning	LSX	Monroe, Randolph, Saint Clair	34 min
Jun 4, 3:39 AM CDT	Tornado Warning	LSX	Randolph, Saint Clair, Washington	21 min
Jun 4, 3:53 AM CDT	Tornado Warning	LSX	Washington	28 min
Jun 4, 1:31 PM CDT	Severe Thunderstorm Warning	LSX	Fayette	14 min

Nearby

Flash Flood Warnings in Illinois, 2008 Every flash flood 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.