Alert archive / Illinois / Tornado Warnings in 2013

Tornado Warning 43, NWS St. Louis, MO

November 17, 2013Bond County, Clinton County, Fayette County, Illinois

NWS St. Louis, MO issued this tornado warning at Nov 17, 2013, 11:56 AM CST for Bond County, Clinton County, Fayette County, Illinois. It was in force for 34 min. 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
Nov 17, 2013, 11:56 AM CST (17:56 UTC)
Expired
Nov 17, 2013, 12:30 PM CST
In force
34 min
Issued by
NWS St. Louis, MO
Area
Storm-based polygon
Tornado
Radar indicated
Hail
0.75 in

Counties Bond County, IL, Clinton County, IL, Fayette County, IL

The radar

The St Louis radar (KLSX), 136 km from the middle of the area, began a volume at 17:56 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
Nov 17, 12:20 PM CSTTSTM WND DMGBrownstown, ILSHERIFF DEPARTMENT REPORTS POWER LINES DOWN ALONG AVENA ROAD BETWEEN BROWNSTOWN AND SAINT ELMO.

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
Nov 17, 8:40 AM CSTTornado Watch PDSSPC7 hr

The nearest sounding before it

Lincoln, IL (KILX), launched 12:00Z, 5.9 hours before the alert went out and 152 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 2013-11-17Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 1021 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 2013-11-17The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 398 square meters per square second.1939587897117Sfc1 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
1021 J/kg
Mixed-layer CIN
-53 J/kg
Mixed-layer LCL
506 m above ground
0-6 km bulk shear
67 kt
0-1 km storm-relative helicity
398 m²/s²
0-3 km storm-relative helicity
396 m²/s²
Significant tornado parameter
2.7
Supercell composite
11.0

Open this sounding in Storm Lab

The text

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

325 
WFUS53 KLSX 171756
TORLSX
ILC005-027-051-171830-
/O.NEW.KLSX.TO.W.0043.131117T1756Z-131117T1830Z/

BULLETIN - EAS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE ST LOUIS MO
1156 AM CST SUN NOV 17 2013

THE NATIONAL WEATHER SERVICE IN ST LOUIS HAS ISSUED A

* TORNADO WARNING FOR...
  SOUTHEASTERN BOND COUNTY IN SOUTH CENTRAL ILLINOIS...
  NORTH CENTRAL CLINTON COUNTY IN SOUTH CENTRAL ILLINOIS...
  SOUTHERN FAYETTE COUNTY IN SOUTH CENTRAL ILLINOIS...

* UNTIL 1230 PM CST

* AT 1152 AM CST...A SEVERE THUNDERSTORM CAPABLE OF PRODUCING A
  TORNADO WAS LOCATED NEAR BEAVER CREEK...AND MOVING NORTHEAST AT 50
  MPH.

  HAZARD...TORNADO.

  SOURCE...WEATHER SPOTTERS REPORTED FUNNEL CLOUD.

  IMPACT...MOBILE HOMES WILL BE DAMAGED OR DESTROYED. DAMAGE TO
           ROOFS...WINDOWS AND VEHICLES WILL OCCUR. FLYING DEBRIS
           WILL BE DEADLY TO PEOPLE AND ANIMALS. TREE DAMAGE IS
           LIKELY.

* LOCATIONS IMPACTED INCLUDE...
  VANDALIA...TAMALCO...MULBERRY GROVE...SHOBONIER...BROWNSTOWN...
  DUDLEYVILLE...KEYESPORT...PLEASANT MOUND...PITTSBURG...
  HAGERSTOWN...AVENA AND LOOGOOTEE.

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 3891 8885 3882 8903 3883 8913 3877 8914
      3862 8945 3876 8955 3910 8900
TIME...MOT...LOC 1756Z 237DEG 41KT 3876 8939

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

$$

BRITT
1 follow-up statement
702 
WWUS53 KLSX 171828
SVSLSX

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE ST LOUIS MO
1228 PM CST SUN NOV 17 2013

ILC005-027-051-171838-
/O.EXP.KLSX.TO.W.0043.000000T0000Z-131117T1830Z/
FAYETTE IL-BOND IL-CLINTON IL-
1228 PM CST SUN NOV 17 2013

...THE TORNADO WARNING FOR NORTH CENTRAL CLINTON...SOUTHEASTERN BOND
AND SOUTHERN FAYETTE COUNTIES WILL EXPIRE AT 1230 PM CST...

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

LAT...LON 3891 8885 3882 8903 3883 8913 3877 8914
      3862 8945 3876 8955 3910 8900
TIME...MOT...LOC 1828Z 237DEG 41KT 3896 8900

$$

BRITT

The office that day

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

IssuedProductOfficeCountiesLasted
Nov 17, 11:04 AM CSTSevere Thunderstorm WarningLSXJersey, Macoupin, Montgomery41 min
Nov 17, 11:11 AM CSTTornado WarningLSXMacoupin, Montgomery19 min
Nov 17, 11:21 AM CSTTornado WarningLSXMacoupin, Montgomery24 min
Nov 17, 11:38 AM CSTSevere Thunderstorm WarningLSXMadison, Monroe, Saint Clair37 min
Nov 17, 11:41 AM CSTTornado WarningLSXMontgomery19 min
Nov 17, 11:49 AM CSTTornado WarningLSXRandolph26 min
Nov 17, 11:53 AM CSTTornado WarningLSXClinton, Washington37 min
Nov 17, 12:09 PM CSTTornado WarningLSXRandolph21 min
Nov 17, 12:14 PM CSTTornado Warning Tornado observedLSXMarion46 min
Nov 17, 12:24 PM CSTSevere Thunderstorm WarningLSXBond, Fayette, Madison, Montgomery51 min

Nearby

Tornado Warnings in Illinois, 2013Every tornado warning in 2013Tornadoes in 2013

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.