Alert archive / Illinois / Severe Thunderstorm Warnings in 2016
Severe Thunderstorm Warning 55, NWS St. Louis, MO
NWS St. Louis, MO issued this severe thunderstorm warning at May 7, 2016, 3:55 PM CDT for 5 counties in Illinois; Lincoln County, Saint Charles County, Missouri. It was in force for 50 min. 12 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 7, 2016, 3:55 PM CDT (20:55 UTC)
- Expired
- May 7, 2016, 4:45 PM CDT
- In force
- 50 min
- Issued by
- NWS St. Louis, MO
- Area
- Storm-based polygon
- Hail
- 1.0 in
- Wind
- 60.0 mph
Counties Calhoun County, IL, Greene County, IL, Jersey County, IL, Macoupin County, IL, Madison County, IL, Lincoln County, MO, Saint Charles County, MO
The radar
The St Louis radar (KLSX), 40 km from the middle of the area, began a volume at 20:58 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 |
|---|---|---|---|
| May 7, 4:00 PM CDT | TSTM WND DMG | Hardin, IL | SMALL TREE BRANCHES DOWNED |
| May 7, 4:13 PM CDT | TSTM WND GST 57 | 4 Nnw Orchard Farms, MO | MEASURED AT POLESTAR MARINA |
| May 7, 4:15 PM CDT | TSTM WND DMG | Jerseyville, IL | TREES AND TREE LIMBS DOWN |
| May 7, 4:16 PM CDT | TSTM WND GST 64 | 4 Nne Orchard Farms, MO | |
| May 7, 4:25 PM CDT | TSTM WND DMG | Godfrey, IL | MULTIPLE LARGE TREE LIMBS DOWNED... EXACT SIZE UNKNOWN |
| May 7, 4:30 PM CDT | TSTM WND DMG | Alton, IL | TREES AND TREE LIMBS DOWN |
| May 7, 4:30 PM CDT | TSTM WND DMG | Portage Des Sioux, MO | MAJOR DAMAGE TO BARN UNDER CONSTRUCTION AT PAYNE ROAD |
| May 7, 4:31 PM CDT | TSTM WND DMG | Portage Des Sioux, MO | MULTIPLE TREES OF UNKNOWN SIZE DOWNED FROM WINDS |
| May 7, 4:35 PM CDT | TSTM WND DMG | Wood River, IL | ROOF AND SHINGLE DAMAGE TO THE CITY HALL STRUCTURE WITH MULTIPLE TREES AND POWER LINES DOWNED |
| May 7, 4:37 PM CDT | TSTM WND DMG | Wood River, IL | TWO AND FOUR FOOT DIAMETER TREES DOWNED |
| May 7, 4:40 PM CDT | TSTM WND DMG | St. Peters, MO | SHINGLES TORN ON A TOWNHOUSE ON WILLOTT ROAD. TIME ESTIMATED. |
| May 7, 4:42 PM CDT | TSTM WND DMG | Wood River, IL | LARGE TREE LIMBS AND TREES DOWN |
Local storm reports filed while the alert was in force, from inside its polygon or its counties.
The watch it was issued in
The SPC watch in force over the same counties when this warning went out.
| Issued | Product | Office | Lasted |
|---|---|---|---|
| May 7, 3:42 PM CDT | Severe Thunderstorm Watch | SPC | 5 hr |
The nearest sounding before it
Lincoln, IL (KILX), launched 12:00Z, 8.9 hours before the alert went out and 201 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
- 1 J/kg
- Mixed-layer CIN
- -438 J/kg
- Mixed-layer LCL
- 2063 m above ground
- 0-6 km bulk shear
- 32 kt
- 0-1 km storm-relative helicity
- 228 m²/s²
- 0-3 km storm-relative helicity
- 255 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted.
772
WUUS53 KLSX 072055
SVRLSX
ILC013-061-083-117-119-MOC113-183-072145-
/O.NEW.KLSX.SV.W.0055.160507T2055Z-160507T2145Z/
BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE ST LOUIS MO
355 PM CDT SAT MAY 7 2016
THE NATIONAL WEATHER SERVICE IN ST LOUIS HAS ISSUED A
* SEVERE THUNDERSTORM WARNING FOR...
SOUTHWESTERN GREENE COUNTY IN SOUTHWESTERN ILLINOIS...
SOUTHWESTERN MACOUPIN COUNTY IN SOUTHWESTERN ILLINOIS...
NORTHWESTERN MADISON COUNTY IN SOUTHWESTERN ILLINOIS...
JERSEY COUNTY IN SOUTHWESTERN ILLINOIS...
SOUTHEASTERN CALHOUN COUNTY IN SOUTHWESTERN ILLINOIS...
NORTHERN ST. CHARLES COUNTY IN EAST CENTRAL MISSOURI...
SOUTHEASTERN LINCOLN COUNTY IN EAST CENTRAL MISSOURI...
* UNTIL 445 PM CDT
* AT 355 PM CDT...SEVERE THUNDERSTORMS WERE LOCATED ALONG A LINE
EXTENDING FROM 7 MILES NORTHEAST OF HARDIN TO NEAR DAVIS...MOVING
SOUTHEAST AT 40 MPH.
HAZARD...60 MPH WIND GUSTS AND QUARTER SIZE HAIL.
SOURCE...RADAR INDICATED.
IMPACT...HAIL DAMAGE TO VEHICLES IS EXPECTED. EXPECT WIND DAMAGE
TO ROOFS...SIDING...AND TREES.
* LOCATIONS IMPACTED INCLUDE...
O'FALLON...ST. CHARLES...ST. PETERS...ALTON...GODFREY...WOOD RIVER...
TROY...BETHALTO...JERSEYVILLE...COTTLEVILLE...ST. PAUL...EAST ALTON...
MOSCOW MILLS...BRIGHTON...BUNKER HILL...ROXANA...HARTFORD...WINFIELD...
HARDIN AND GRAFTON.
THIS INCLUDES INTERSTATE 70 IN MISSOURI BETWEEN EXITS 217 AND 228.
THIS ALSO INCLUDES CUIVRE RIVER STATE PARK...CONFLUENCE STATE PARK...
AND PERE MARQUETTE STATE PARK.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
FOR YOUR PROTECTION MOVE TO AN INTERIOR ROOM ON THE LOWEST FLOOR OF A
BUILDING.
&&
LAT...LON 3882 9012 3889 9033 3883 9036 3883 9044
3870 9056 3904 9103 3919 9055 3918 9031
3922 9031 3899 8980
TIME...MOT...LOC 2055Z 304DEG 34KT 3925 9055 3908 9098
HAIL...1.00IN
WIND...60MPH
$$
TILLY1 follow-up statement
975
WWUS53 KLSX 072127
SVSLSX
SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE ST LOUIS MO
427 PM CDT SAT MAY 7 2016
ILC061-MOC113-072136-
/O.CAN.KLSX.SV.W.0055.000000T0000Z-160507T2145Z/
GREENE IL-LINCOLN MO-
427 PM CDT SAT MAY 7 2016
...THE SEVERE THUNDERSTORM WARNING FOR SOUTHWESTERN GREENE AND
SOUTHEASTERN LINCOLN COUNTIES IS CANCELLED...
THE STORMS WHICH PROMPTED THE WARNING HAVE MOVED OUT OF THE WARNED
AREA. THEREFORE THE WARNING HAS BEEN CANCELLED.
A SEVERE THUNDERSTORM WATCH REMAINS IN EFFECT UNTIL 900 PM CDT FOR
SOUTHWESTERN ILLINOIS...AND EAST CENTRAL MISSOURI.
LAT...LON 3882 9012 3887 9028 3889 9030 3889 9033
3883 9036 3883 9044 3870 9056 3888 9081
3891 9073 3891 9072 3892 9070 3892 9069
3893 9069 3893 9067 3909 9048 3918 9023
3899 8980
TIME...MOT...LOC 2126Z 297DEG 45KT 3908 9017 3889 9047
$$
ILC013-083-117-119-MOC183-072145-
/O.CON.KLSX.SV.W.0055.000000T0000Z-160507T2145Z/
MACOUPIN IL-MADISON IL-JERSEY IL-CALHOUN IL-ST. CHARLES MO-
427 PM CDT SAT MAY 7 2016
...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 445 PM CDT
FOR SOUTHWESTERN MACOUPIN...NORTHWESTERN MADISON...JERSEY...
SOUTHEASTERN CALHOUN COUNTIES IN SOUTHWESTERN ILLINOIS AND NORTHERN
ST. CHARLES COUNTIES IN EAST CENTRAL MISSOURI...
AT 426 PM CDT...SEVERE THUNDERSTORMS WERE LOCATED ALONG A LINE
EXTENDING FROM NEAR BRIGHTON TO ORCHARD FARMS...MOVING SOUTHEAST AT 50
MPH.
HAZARD...70 MPH WIND GUSTS.
SOURCE...NWS OBSERVATION.
IMPACT...EXPECT CONSIDERABLE TREE DAMAGE. DAMAGE IS LIKELY TO MOBILE
HOMES...ROOFS...AND OUTBUILDINGS.
LOCATIONS IMPACTED INCLUDE...
O'FALLON...ST. CHARLES...ST. PETERS...ALTON...GODFREY...WOOD RIVER...
BETHALTO...JERSEYVILLE...COTTLEVILLE...ST. PAUL...EAST ALTON...BRIGHTON...
BUNKER HILL...ROXANA...HARTFORD...GRAFTON...ELSAH...WEST ALTON...PORTAGE
DES SIOUX AND HARVESTER.
THIS ALSO INCLUDES CONFLUENCE STATE PARK AND PERE MARQUETTE STATE
PARK.
THIS INCLUDES INTERSTATE 70 IN MISSOURI BETWEEN EXITS 217 AND 228.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
THIS IS A DANGEROUS SITUATION. THESE STORMS ARE PRODUCING WIDESPREAD
WIND DAMAGE ACROSS PORTIONS OF CALHOUN AND ST. CHARLES COUNTY. SEEK
SHELTER NOW INSIDE A STURDY STRUCTURE AND STAY AWAY FROM WINDOWS.
&&
LAT...LON 3882 9012 3887 9028 3889 9030 3889 9033
3883 9036 3883 9044 3870 9056 3888 9081
3891 9073 3891 9072 3892 9070 3892 9069
3893 9069 3893 9067 3909 9048 3918 9023
3899 8980
TIME...MOT...LOC 2126Z 297DEG 45KT 3908 9017 3889 9047
HAIL...<.75IN
WIND...70MPH
$$
TILLYThe office that day
Everything else NWS St. Louis, MO issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| May 7, 3:25 PM CDT | Severe Thunderstorm Warning | LSX | Calhoun, Greene | 50 min |
| May 7, 4:24 PM CDT | Severe Thunderstorm Warning | LSX | Madison | 36 min |
| May 7, 4:36 PM CDT | Severe Thunderstorm Warning | LSX | Bond, Macoupin, Madison, Montgomery | 24 min |
| May 7, 4:58 PM CDT | Severe Thunderstorm Warning | LSX | Bond, Clinton, Fayette, Madison, Montgomery, Saint Clair | 47 min |
| May 7, 5:26 PM CDT | Severe Thunderstorm Warning | LSX | Washington | 34 min |
| May 7, 5:27 PM CDT | Severe Thunderstorm Warning | LSX | Marion | 37 min |
Nearby
Severe Thunderstorm Warnings in Illinois, 2016Severe 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.