Alert archive / Illinois / Tornado Warnings in 2014

Tornado Warning 16, NWS St. Louis, MO

April 28, 20144 counties in Illinois

NWS St. Louis, MO issued this tornado warning at Apr 28, 2014, 4:17 PM CDT for 4 counties in Illinois. It was in force for 28 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 28, 2014, 4:17 PM CDT (21:17 UTC)
Expired
Apr 28, 2014, 4:45 PM CDT
In force
28 min
Issued by
NWS St. Louis, MO
Area
Storm-based polygon
Tornado
Radar indicated
Hail
0.75 in

Counties Bond County, IL, Macoupin County, IL, Madison County, IL, Montgomery County, IL

The radar

The St Louis radar (KLSX), 84 km from the middle of the area, began a volume at 21:19 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

TimeReportWhereRemark
Apr 28, 4:23 PM CDTHAIL 1.25Bethalto, ILQUARTER TO HALF DOLLAR SIZE HAIL WITH TORRENTIAL RAIN 1 MILE EAST OF HWY 111 NEAR PERRY ROAD.
Apr 28, 4:45 PM CDTHAIL 0.88Mount Olive, IL

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.

IssuedProductOfficeLasted
Apr 28, 1:11 PM CDTTornado WatchSPC7 hr

The nearest sounding before it

Lincoln, IL (KILX), launched 12:00Z, 9.3 hours before the alert went out and 164 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, Lincoln, IL at 12:00Z on 2014-04-28Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 1 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, Lincoln, IL at 12:00Z on 2014-04-28The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 163 square meters per square second.19395878Sfc1 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
1 J/kg
Mixed-layer CIN
No buoyant parcel
Mixed-layer LCL
719 m above ground
0-6 km bulk shear
47 kt
0-1 km storm-relative helicity
163 m²/s²
0-3 km storm-relative helicity
140 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

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

504 
WFUS53 KLSX 282117
TORLSX
ILC005-117-119-135-282145-
/O.NEW.KLSX.TO.W.0016.140428T2117Z-140428T2145Z/

BULLETIN - EAS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE ST LOUIS MO
417 PM CDT MON APR 28 2014

THE NATIONAL WEATHER SERVICE IN ST LOUIS HAS ISSUED A

* TORNADO WARNING FOR...
  NORTHWESTERN BOND COUNTY IN SOUTH CENTRAL ILLINOIS...
  SOUTHEASTERN MACOUPIN COUNTY IN SOUTHWEST ILLINOIS...
  NORTHERN MADISON COUNTY IN SOUTHWEST ILLINOIS...
  SOUTHWESTERN MONTGOMERY COUNTY IN SOUTH CENTRAL ILLINOIS...

* UNTIL 445 PM CDT

* AT 414 PM CDT...A SEVERE THUNDERSTORM CAPABLE OF PRODUCING A
  TORNADO WAS LOCATED NEAR ROXANA...AND MOVING NORTHEAST AT 50 MPH.

  HAZARD...TORNADO.

  SOURCE...RADAR INDICATED ROTATION.

  IMPACT...FLYING DEBRIS WILL BE DANGEROUS TO THOSE CAUGHT WITHOUT
           SHELTER. MOBILE HOMES WILL BE DAMAGED OR DESTROYED. DAMAGE
           TO ROOFS...WINDOWS AND VEHICLES WILL OCCUR. TREE DAMAGE IS
           LIKELY.

* THIS DANGEROUS STORM WILL BE NEAR...
  CARPENTER AND PRAIRIETOWN AROUND 425 PM CDT.
  WORDEN AND ALHAMBRA AROUND 430 PM CDT.
  LIVINGSTON AND STAUNTON AROUND 435 PM CDT.
  MOUNT OLIVE AROUND 440 PM CDT.
  SORENTO AROUND 445 PM CDT.

OTHER LOCATIONS IN THE WARNING INCLUDE FRUIT...HAMEL...KAUFMAN...
WILLIAMSON...SHILOH HILL...NEW DOUGLAS...WALSHVILLE AND PANAMA.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

TAKE COVER NOW. MOVE TO AN INTERIOR ROOM ON THE LOWEST FLOOR OF A
STURDY BUILDING. AVOID WINDOWS. IF IN A MOBILE HOME...A VEHICLE OR
OUTDOORS...MOVE TO THE CLOSEST SUBSTANTIAL SHELTER AND PROTECT
YOURSELF FROM FLYING DEBRIS.

&&

LAT...LON 3918 8970 3896 8938 3874 9006 3891 9008
TIME...MOT...LOC 2117Z 238DEG 44KT 3885 8998

TORNADO...RADAR INDICATED
HAIL...<.75IN

$$

GLASS
2 follow-up statements
581 
WWUS53 KLSX 282126
SVSLSX

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE ST LOUIS MO
426 PM CDT MON APR 28 2014

ILC005-117-119-135-282145-
/O.CON.KLSX.TO.W.0016.000000T0000Z-140428T2145Z/
MACOUPIN IL-MADISON IL-MONTGOMERY IL-BOND IL-
426 PM CDT MON APR 28 2014

...A TORNADO WARNING REMAINS IN EFFECT FOR NORTHWESTERN BOND...
SOUTHWESTERN MONTGOMERY...NORTHEASTERN MADISON AND SOUTHEASTERN
MACOUPIN COUNTIES UNTIL 445 PM CDT...

AT 423 PM CDT...A SEVERE THUNDERSTORM CAPABLE OF PRODUCING A TORNADO 
WAS LOCATED NEAR CARPENTER...AND MOVING NORTHEAST AT 50 MPH. 
DAMAGING WINDS OF 60 TO 70 MPH ARE ALSO LIKELY WITH THIS STORM.

HAZARD...TORNADO.

SOURCE...RADAR INDICATED ROTATION.

IMPACT...FLYING DEBRIS WILL BE DANGEROUS TO THOSE CAUGHT WITHOUT
         SHELTER. MOBILE HOMES WILL BE DAMAGED OR DESTROYED. DAMAGE
         TO ROOFS...WINDOWS AND VEHICLES WILL OCCUR. TREE DAMAGE IS
         LIKELY.

THIS DANGEROUS STORM WILL BE NEAR...
  LIVINGSTON AND STAUNTON AROUND 435 PM CDT.
  MOUNT OLIVE AROUND 440 PM CDT.
  SORENTO AROUND 445 PM CDT.

OTHER LOCATIONS IN THE WARNING INCLUDE WILLIAMSON...NEW DOUGLAS...
WALSHVILLE AND PANAMA.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

TAKE COVER NOW. MOVE TO AN INTERIOR ROOM ON THE LOWEST FLOOR OF A
STURDY BUILDING. AVOID WINDOWS. IF IN A MOBILE HOME...A VEHICLE OR
OUTDOORS...MOVE TO THE CLOSEST SUBSTANTIAL SHELTER AND PROTECT
YOURSELF FROM FLYING DEBRIS.

&&

LAT...LON 3878 8994 3894 9004 3918 8970 3896 8938
TIME...MOT...LOC 2126Z 238DEG 44KT 3890 8989

TORNADO...RADAR INDICATED
HAIL...<.75IN

$$

GLASS
368 
WWUS53 KLSX 282135
SVSLSX

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE ST LOUIS MO
435 PM CDT MON APR 28 2014

ILC005-282145-
/O.CAN.KLSX.TO.W.0016.000000T0000Z-140428T2145Z/
BOND IL-
435 PM CDT MON APR 28 2014

...THE TORNADO WARNING FOR NORTHWESTERN BOND COUNTY IS CANCELLED...

THE STORM WHICH PROMPTED THE WARNING HAS MOVED OUT OF THE WARNED 
AREA.

LAT...LON 3887 8991 3900 8996 3918 8970 3891 8964
TIME...MOT...LOC 2135Z 231DEG 39KT 3896 8985

$$

ILC117-119-135-282145-
/O.CON.KLSX.TO.W.0016.000000T0000Z-140428T2145Z/
MACOUPIN IL-MADISON IL-MONTGOMERY IL-
435 PM CDT MON APR 28 2014

...A TORNADO WARNING REMAINS IN EFFECT FOR SOUTHWESTERN MONTGOMERY...
NORTHEASTERN MADISON AND SOUTHEASTERN MACOUPIN COUNTIES UNTIL 445 PM
CDT...

AT 431 PM CDT...A SEVERE THUNDERSTORM CAPABLE OF PRODUCING A TORNADO
WAS LOCATED NEAR WORDEN...AND MOVING NORTHEAST AT 45 MPH.

HAZARD...TORNADO.

SOURCE...RADAR INDICATED ROTATION.

IMPACT...FLYING DEBRIS WILL BE DANGEROUS TO THOSE CAUGHT WITHOUT
         SHELTER. MOBILE HOMES WILL BE DAMAGED OR DESTROYED. DAMAGE
         TO ROOFS...WINDOWS AND VEHICLES WILL OCCUR. TREE DAMAGE IS
         LIKELY.

THIS DANGEROUS STORM WILL BE NEAR...
  STAUNTON AND LIVINGSTON AROUND 440 PM CDT.
  MOUNT OLIVE AND BENLD AROUND 445 PM CDT.

OTHER LOCATIONS IN THE WARNING INCLUDE WILLIAMSON...WHITE CITY AND
NEW DOUGLAS.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

TAKE COVER NOW. MOVE TO AN INTERIOR ROOM ON THE LOWEST FLOOR OF A
STURDY BUILDING. AVOID WINDOWS. IF IN A MOBILE HOME...A VEHICLE OR
OUTDOORS...MOVE TO THE CLOSEST SUBSTANTIAL SHELTER AND PROTECT
YOURSELF FROM FLYING DEBRIS.

&&

LAT...LON 3887 8991 3900 8996 3918 8970 3891 8964
TIME...MOT...LOC 2135Z 231DEG 39KT 3896 8985

TORNADO...RADAR INDICATED
HAIL...<.75IN

$$

GLASS

The office that day

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

IssuedProductOfficeCountiesLasted
Apr 27, 10:08 PM CDTRiver Flood WarningLSXPike8 days
Apr 27, 10:08 PM CDTRiver Flood WarningLSXPike8 days
Apr 27, 10:08 PM CDTRiver Flood WarningLSXCalhoun35 days
Apr 28, 2:22 PM CDTSevere Thunderstorm WarningLSXAdams, Pike38 min
Apr 28, 2:42 PM CDTSevere Thunderstorm WarningLSXCalhoun, Pike48 min
Apr 28, 2:58 PM CDTSevere Thunderstorm WarningLSXAdams, Brown, Pike32 min
Apr 28, 3:19 PM CDTSevere Thunderstorm WarningLSXCalhoun, Jersey, Madison41 min
Apr 28, 3:28 PM CDTSevere Thunderstorm WarningLSXCalhoun, Greene, Jersey, Pike47 min
Apr 28, 3:43 PM CDTSevere Thunderstorm WarningLSXMadison, Saint Clair47 min
Apr 28, 3:56 PM CDTSevere Thunderstorm WarningLSXJersey, Macoupin, Madison49 min
Apr 28, 4:29 PM CDTSevere Thunderstorm WarningLSXMadison, Saint Clair31 min
Apr 28, 4:45 PM CDTTornado WarningLSXBond, Macoupin, Madison, Montgomery30 min
Apr 28, 4:50 PM CDTSevere Thunderstorm WarningLSXMacoupin, Montgomery25 min
Apr 28, 5:12 PM CDTSevere Thunderstorm WarningLSXBond, Fayette, Montgomery48 min
Apr 28, 5:29 PM CDTSevere Thunderstorm WarningLSXMadison, Saint Clair46 min

Nearby

Tornado Warnings in Illinois, 2014Every tornado warning in 2014Tornadoes in 2014

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.