Alert archive / Illinois / Flash Flood Warnings in 2016
Flash Flood Warning 8, NWS St. Louis, MO
NWS St. Louis, MO issued this flash flood warning at Jun 4, 2016, 10:08 AM CDT for Montgomery County, Illinois. It was in force for 3 hr. 1 report 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
- Jun 4, 2016, 10:08 AM CDT (15:08 UTC)
- Expired
- Jun 4, 2016, 1:00 PM CDT
- In force
- 3 hr
- Issued by
- NWS St. Louis, MO
- Area
- Storm-based polygon
- Flood severity
- None
County Montgomery County, IL
The radar
The Lincoln radar (KILX), 103 km from the middle of the area, began a volume at 15:08 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 |
|---|---|---|---|
| Jun 4, 12:00 PM CDT | FLASH FLOOD | Nokomis, IL | IDOT OFFICIAL REPORTED 2 TO 3 FEET OF WATER STILL OVER RT 16. RT REMAINS CLOSED. |
Local storm reports filed while the alert was in force, from inside its polygon or its counties.
The nearest sounding before it
Lincoln, IL (KILX), launched 12:00Z, 3.1 hours before the alert went out and 119 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
- 28 J/kg
- Mixed-layer CIN
- -107 J/kg
- Mixed-layer LCL
- 757 m above ground
- 0-6 km bulk shear
- 33 kt
- 0-1 km storm-relative helicity
- 126 m²/s²
- 0-3 km storm-relative helicity
- 120 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted.
205
WGUS53 KLSX 041508
FFWLSX
ILC135-041800-
/O.NEW.KLSX.FF.W.0008.160604T1508Z-160604T1800Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE ST LOUIS MO
1008 AM CDT SAT JUN 4 2016
THE NATIONAL WEATHER SERVICE IN ST LOUIS HAS ISSUED A
* FLASH FLOOD WARNING FOR...
CENTRAL MONTGOMERY COUNTY IN SOUTH CENTRAL ILLINOIS...
* UNTIL 100 PM CDT
* AT 1006 AM CDT...TRAINED WEATHER SPOTTERS REPORTED THAT ROUTE 16
NEAR NAKOMIS WAS FLOODED DUE TO HEAVY RAIN ACROSS THE WARNED AREA.
RADAR ESTIMATES THAT OVER 4 INCHES OF RAIN HAS FALLEN SINCE 300 AM
WITHIN A SMALL AREA IN NORTHEAST MONTOGOMERY COUNTY FROM NEAR WITT
TO SOUTHEAST OF OHLMAN.
* SOME LOCATIONS THAT WILL EXPERIENCE FLOODING INCLUDE...
HILLSBORO...NOKOMIS...WITT...TAYLOR SPRINGS...SCHRAM CITY...
IRVING...FILLMORE...COALTON...BUTLER...OHLMAN AND WENONAH.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
TURN AROUND...DON'T DROWN WHEN ENCOUNTERING FLOODED ROADS. MOST FLOOD
DEATHS OCCUR IN VEHICLES.
A FLASH FLOOD WARNING MEANS THAT FLOODING IS IMMINENT OR OCCURRING.
IF YOU ARE IN THE WARNED AREA MOVE TO HIGHER GROUND IMMEDIATELY.
RESIDENTS LIVING ALONG STREAMS AND CREEKS SHOULD TAKE IMMEDIATE
PRECAUTIONS TO PROTECT LIFE AND PROPERTY.
&&
LAT...LON 3922 8925 3912 8925 3912 8955 3935 8953
3935 8914 3922 8914
$$
GLASSThe office that day
Everything else NWS St. Louis, MO issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jun 4, 11:38 AM CDT | Areal Flood Advisory | LSX | Washington | 5 hr |
| Jun 4, 1:00 PM CDT | Areal Flood Warning | LSX | Montgomery | 6 hr |
Nearby
Flash Flood Warnings in Illinois, 2016Every flash flood 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.