Alert archive / Illinois / Severe Thunderstorm Warnings in 2005

Severe Thunderstorm Warning 129, NWS Lincoln, IL

July 26, 2005McLean County, Illinois

NWS Lincoln, IL issued this severe thunderstorm warning at Jul 26, 2005, 5:03 PM CDT for McLean County, Illinois. It was in force for 42 min. No storm report in the archive falls inside the area while it was in force.

The area

The outline as issued.

The facts

Issued
Jul 26, 2005, 5:03 PM CDT (22:03 UTC)
Expired
Jul 26, 2005, 5:45 PM CDT
In force
42 min
Issued by
NWS Lincoln, IL
Area
Counties, with a storm outline in the text

County McLean County, IL

The radar

The Lincoln radar (KILX), 68 km from the middle of the area, began a volume at 22:04 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.

Did it verify

Not verified. The Iowa Environmental Mesonet's Cow found no qualifying storm report inside this severe thunderstorm warning while it was in force. That is not proof nothing happened: reports are thin where few people live.

Cow counts a report within 15 km of the polygon while the warning was in force: a tornado for a tornado warning; hail of 1 inch or more, a gust of 58 mph or more or wind damage for a severe thunderstorm warning; a flash flood report for a flash flood warning.

The nearest sounding before it

Lincoln, IL (KILX), launched 12:00Z, 10.1 hours before the alert went out and 63 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 2005-07-26Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 1648 joules per kilogram.LCLLFCEL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°0°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Lincoln, IL at 12:00Z on 2005-07-26The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 97 square meters per square second.193958Sfc1 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
1648 J/kg
Mixed-layer CIN
-66 J/kg
Mixed-layer LCL
892 m above ground
0-6 km bulk shear
37 kt
0-1 km storm-relative helicity
97 m²/s²
0-3 km storm-relative helicity
88 m²/s²
Significant tornado parameter
0.5
Supercell composite
1.9

Open this sounding in Storm Lab

The text

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

000 
WUUS53 KILX 262202
SVRILX
ILC113-262245-
/O.NEW.KILX.SV.W.0129.050726T2203Z-050726T2245Z/

BULLETIN - EAS ACTIVATION REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE LINCOLN IL
503 PM CDT TUE JUL 26 2005

THE NATIONAL WEATHER SERVICE IN LINCOLN HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR...
  NORTHERN MCLEAN COUNTY IN CENTRAL ILLINOIS

* UNTIL 545 PM CDT

* AT 459 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
  SEVERE THUNDERSTORM CAPABLE OF PRODUCING DAMAGING WINDS IN EXCESS
  OF 60 MPH.  THIS STORM WAS LOCATED NEAR HUDSON...OR ABOUT 11 MILES
  SOUTHEAST OF EUREKA...AND WAS MOVING EAST AT 40 MPH.

* LOCATIONS IMPACTED INCLUDE...
  GRIDLEY
  LEXINGTON
  CHENOA

DOPPLER RADAR HAS INDICATED SOME WEAK ROTATION WITHIN THIS STORM.
WHILE NOT IMMEDIATELY LIKELY...A TORNADO MAY STILL DEVELOP. IF A
TORNADO IS SPOTTED...ACT QUICKLY AND MOVE TO A PLACE OF SAFETY IN A
STURDY STRUCTURE...SUCH AS A BASEMENT OR SMALL INTERIOR ROOM.

REPORT ANY SEVERE WEATHER OR DAMAGE TO YOUR LOCAL EMERGENCY
MANAGER...OR THE NEAREST LAW ENFORCEMENT AGENCY...FOR RELAY TO THE
NATIONAL WEATHER SERVICE.

LAT...LON 4066 8903 4059 8911 4060 8858 4075 8859
      4075 8898 4066 8899

$$

SHIMON
3 follow-up statements
000 
WWUS53 KILX 262213
SVSILX

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE LINCOLN IL
513 PM CDT TUE JUL 26 2005

ILC113-262245-
/O.CON.KILX.SV.W.0129.000000T0000Z-050726T2245Z/
MCLEAN-
513 PM CDT TUE JUL 26 2005

...A SEVERE THUNDERSTORM WARNING CONTINUES UNTIL 545 PM CDT FOR
NORTHERN MCLEAN COUNTY...

AT 509 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR CONTINUED TO
INDICATE A SEVERE THUNDERSTORM CAPABLE OF PRODUCING DAMAGING WINDS IN
EXCESS OF 60 MPH.  THIS STORM WAS LOCATED NEAR GRIDLEY...OR ABOUT 15
MILES NORTH OF BLOOMINGTON...MOVING EAST AT 45 MPH.

PEOPLE NEAR THESE LOCATIONS ARE STILL THREATENED...
  LEXINGTON.  
  CHENOA.

REPORT ANY SEVERE WEATHER OR DAMAGE TO YOUR LOCAL EMERGENCY
MANAGER...OR THE NEAREST LAW ENFORCEMENT AGENCY...FOR RELAY TO THE
NATIONAL WEATHER SERVICE.

LAT...LON 4063 8897 4062 8860 4075 8859 4074 8896

$$

SHIMON
000 
WWUS53 KILX 262233
SVSILX

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE LINCOLN IL
533 PM CDT TUE JUL 26 2005

ILC113-262245-
/O.CON.KILX.SV.W.0129.000000T0000Z-050726T2245Z/
MCLEAN-
533 PM CDT TUE JUL 26 2005

...A SEVERE THUNDERSTORM WARNING CONTINUES UNTIL 545 PM CDT FOR
NORTHEASTERN MCLEAN COUNTY...

AT 531 PM CDT...A SEVERE THUNDERSTORM WAS REPORTED CAPABLE OF
PRODUCING DAMAGING WINDS IN EXCESS OF 60 MPH.  THIS STORM WAS LOCATED
NEAR PLEASANT HILL...OR ABOUT 11 MILES SOUTHWEST OF FAIRBURY...MOVING
EAST AT 40 MPH.

PEOPLE NEAR THESE LOCATIONS ARE STILL THREATENED...
  COOLSVILLE.
  COLFAX.
  ANCHOR.
  CROPSEY.

IF YOU ARE CAUGHT OUTDOORS IN THIS STORM...MOVE TO A STRONG BUILDING
AND STAY AWAY FROM WINDOWS. FREQUENT LIGHTNING IS COMMON IN SEVERE
THUNDERSTORMS. AVOID TALL OBJECTS AND METAL STRUCTURES.

REPORT ANY SEVERE WEATHER OR DAMAGE TO YOUR LOCAL EMERGENCY
MANAGER...OR THE NEAREST LAW ENFORCEMENT AGENCY...FOR RELAY TO THE
NATIONAL WEATHER SERVICE.

LAT...LON 4049 8890 4045 8847 4062 8847 4062 8859
      4075 8859 4074 8869

$$

SHIMON
000 
WWUS53 KILX 262245
SVSILX

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE LINCOLN IL
545 PM CDT TUE JUL 26 2005

ILC113-262255-
/O.EXP.KILX.SV.W.0129.000000T0000Z-050726T2245Z/
MCLEAN-
545 PM CDT TUE JUL 26 2005

...THE SEVERE THUNDERSTORM WARNING FOR NORTHEASTERN MCLEAN COUNTY
EXPIRED AT 545 PM CDT...

AT 545 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED THAT
THE THUNDERSTORM THAT HAD PROMPTED THE WARNING HAD MOVED OUT OF THE
AREA...THUS THE WARNING HAS BEEN ALLOWED TO EXPIRE.

A SEVERE THUNDERSTORM WATCH REMAINS IN EFFECT UNTIL MIDNIGHT. 
REMAIN ALERT TO THE POSSIBILITY OF MORE SEVERE WEATHER.

REPORT ANY SEVERE WEATHER OR DAMAGE TO YOUR LOCAL EMERGENCY
MANAGER...OR THE NEAREST LAW ENFORCEMENT AGENCY...FOR RELAY TO THE
NATIONAL WEATHER SERVICE.

LAT...LON 4049 8890 4045 8847 4062 8847 4062 8859
      4075 8859 4074 8869

$$

SHIMON

What forecasters said that day

The local office's own words before this severe thunderstorm warning went out, as it sent them, from the Iowa Environmental Mesonet's archive of National Weather Service text.

NWS Lincoln, IL wrote its last area forecast discussion before this severe thunderstorm warning went out at Jul 26, 3:04 PM CDT, 1 hour 59 minutes earlier.

Area forecast discussion, Jul 26, 3:04 PM CDT, 1 hour 59 minutes before
AREA FORECAST DISCUSSION
NATIONAL WEATHER SERVICE LINCOLN IL
305 PM CDT TUE JULY 26 2005

.DISCUSSION...
MUCH NEEDED RAINFALL IS ON THE HORIZON. THE QUESTIONS FOR TONIGHT
IS HOW LONG WILL IT LAST AND HOW MUCH WILL WE GET. COOLER AIR WILL
ACCOMPANY THE RAIN AS A COLD FRONT SWEEPS THROUGH THE STATE TONIGHT
AND EARLY WEDNESDAY. SEASONABLE TEMPERATURES WILL BE THE RULE FOR
THE REST OF THE WEEK AND INTO THE WEEKEND...BUT THERE WILL ALSO BE
ALOT OF DRY AIR AND LITTLE CHANCE FOR RAIN.

SHORT TERM...TONIGHT THROUGH FRIDAY...
THE LATEST SURFACE ANALYSIS INDICATED A FRONT FROM CHI-GBG TO A
LOW NEAR UIN. THIS WAVE WILL MOVE ALONG THE FRONT EARLY THIS EVENING
ENHANCING RAINFALL WEST OF THE IL RIVER. MOST OF RAIN IS
POST-FRONTAL WITH LIGHT SHOWERS AND EMBEDDED T-STORMS. A PRE-FRONTAL
TROF NEAR I-57 AND BETTER INSTABILITY WILL ALSO FOCUS SCATTERED
T-STORMS THIS EVENING...WITH MORE WIDESPREAD RAIN ANTICIPATED LATER
IN THE EVENING AND OVERNIGHT. WITH THE HOT AND HUMID AIR IN PLACE
OVER SOUTHEAST IL AND PARTLY CLOUDY CONDITIONS ANTICIPATED EARLY IN
THE EVENING...WILL KEEP THE HEAT ADVISORY GOING SOUTH OF I-70 UNTIL
7 PM.

THE COLD FRONT IS EXPECTED TO MOVE THROUGH SE IL BY WED MORNING.
SCATTERED POST-FRONTAL SHOWERS ARE EXPECTED TO CONTINUE SOUTHEAST OF
A SHELBYVILLE-DANVILLE LINE DURING THE MORNING...AND SOUTH OF I-70
INTO EARLY AFTERNOON. THE REST OF THE FORECAST AREA WILL ENJOY MUCH
COOLER CONDITIONS WITH TEMPERATURES IN THE UPPER 70S WEDNESDAY
AFTERNOON. HIGH PRESSURE RIDGING ACROSS THE STATE ON THURSDAY WILL
RESULT IN DRY CONDITIONS AND TEMPS IN THE LOWER 80S.

AN UPPER TROF IS EXPECTED TO SWING DOWN INTO THE UPPER MIDWEST LATER
ON THURSDAY...BRINGING A WEAK COLD FRONT TOWARD NORTHERN IL BY
EVENING. AS THIS FRONT SLOWLY APPROACHES NW AND NCENT IL FRIDAY...
THERE COULD BE A FEW SHOWERS WITH THIS. WILL LEAVE OUT A MENTION IN
THE ZONE FORECAST FOR NOW...BUT WILL PUT A 20 POP IN THE GRIDS NORTH
OF A CANTON-PIA-EL PASO LINE. OTHERWISE...TEMPS TYPICAL FOR LATE
JULY AND A FEW CLOUDS ARE ANTICIPATED.

LONG TERM...SATURDAY THROUGH TUESDAY...
HIGH PRESSURE AND AN EASTERLY FLOW WILL KEEP THE WEATHER DRY AND
TEMPS AT OR JUST ABOVE SEASONAL NORMALS THROUGH THE WEEKEND AND INTO
EARLY NEXT WEEK. THE EXCEPTION MAY BE SOUTH OF I-70 WHERE PART OF A
WEAK UPPER TROF NEARLY STATIONARY IN THE TN VALLEY MAY RESULT IN
MORE CLOUDS AND SCTD SHOWERS IN SOUTHERN IL MON AND TUE AFTERNOONS.
AT THIS TIME IT LOOKS LIKE THEY MAY STAY FAR ENOUGH TO SOUTH OF THE
FORECAST AREA...SO WILL LEAVE OUT OF THE FORECAST AND GRIDS FOR NOW.

&&

.ILX WATCHES/WARNINGS/ADVISORIES...
IL...HEAT ADVISORY THROUGH 7 PM THIS EVENING FOR SOUTHEAST ILLINOIS
     ALONG AND SOUTH OF I-70.

MILLER
Hazardous weather outlook, Jul 26, 11:15 AM CDT, 5 hours 48 minutes before
HAZARDOUS WEATHER OUTLOOK
NATIONAL WEATHER SERVICE LINCOLN IL
1115 AM CDT TUE JUL 26 2005

ILZ062-063-066>068-071>073-271100-
CLARK-CLAY-CRAWFORD-CUMBERLAND-EFFINGHAM-JASPER-LAWRENCE-RICHLAND-
INCLUDING THE CITIES OF...EFFINGHAM...FLORA AND LAWRENCEVILLE
1116 AM CDT TUE JUL 26 2005

...HEAT ADVISORY IN EFFECT UNTIL 7 PM THIS EVENING...

THIS HAZARDOUS WEATHER OUTLOOK IS FOR SOUTHEAST ILLINOIS.

.DAY ONE...TODAY AND TONIGHT...

HIGH TEMPERATURES IN THE MIDDLE TO UPPER 90S WILL COMBINE WITH A VERY
MOIST AIRMASS TO PRODUCE HEAT INDEX VALUES BETWEEN 105 AND 110 THIS
AFTERNOON. THIS WILL PRODUCE DANGEROUS HEAT CONDITIONS OVER MUCH OF
SOUTHEASTERN ILLINOIS TODAY.

A COLD FRONT WILL PUSH INTO THE AREA THIS AFTERNOON...BRINGING THE
THREAT FOR THUNDERSTORMS LATE THIS AFTERNOON AND INTO THE OVERNIGHT
HOURS. SOME OF THE STORMS MAY BECOME SEVERE LATE THIS AFTERNOON AND
TONIGHT...WITH THE MAIN SEVERE THREAT BEING DAMAGING WINDS AND VERY
HEAVY RAINFALL.

.DAYS TWO THROUGH SEVEN...WEDNESDAY THROUGH MONDAY...

THE CHANCE FOR THUNDERSTORMS WILL LINGER INTO EARLY WEDNESDAY...BUT
THESE STORMS ARE NOT EXPECTED TO BE SEVERE.

.SPOTTER INFORMATION STATEMENT...

SPOTTER ACTIVATION MAY BE REQUIRED LATE THIS AFTERNOON AND TONIGHT.

ILZ027>031-036>038-040>057-061-271100-
CASS-CHAMPAIGN-CHRISTIAN-COLES-DE WITT-DOUGLAS-EDGAR-FULTON-KNOX-
LOGAN-MACON-MARSHALL-MASON-MCLEAN-MENARD-MORGAN-MOULTRIE-PEORIA-
PIATT-SANGAMON-SCHUYLER-SCOTT-SHELBY-STARK-TAZEWELL-VERMILION-
WOODFORD-
INCLUDING THE CITIES OF...BLOOMINGTON...CHAMPAIGN...DANVILLE...
DECATUR...GALESBURG...HAVANA...JACKSONVILLE...LINCOLN...MATTOON...
PEORIA...SHELBYVILLE...SPRINGFIELD AND TAYLORVILLE
1116 AM CDT TUE JUL 26 2005

THIS HAZARDOUS WEATHER OUTLOOK IS FOR CENTRAL AND SOUTHEAST ILLINOIS.

.DAY ONE...TODAY AND TONIGHT...

A COLD FRONT WILL PUSH INTO THE AREA TODAY...BRINGING THE THREAT FOR
THUNDERSTORMS THIS AFTERNOON THAT WILL LAST INTO THE OVERNIGHT HOURS.
SOME OF THE STORMS MAY BECOME SEVERE THIS AFTERNOON AND
TONIGHT...WITH THE MAIN SEVERE THREAT BEING DAMAGING WINDS AND VERY
HEAVY RAINFALL. THE HIGHEST RISK FOR SEVERE WEATHER WILL BE FROM
MIDDAY INTO THE EVENING HOURS.

.DAYS TWO THROUGH SEVEN...WEDNESDAY THROUGH MONDAY...

NO HAZARDOUS WEATHER IS EXPECTED AT THIS TIME.

.SPOTTER INFORMATION STATEMENT...

SPOTTER ACTIVATION MAY BE REQUIRED THIS AFTERNOON AND TONIGHT.

&&
THIS PRODUCT...ALONG WITH OTHER WEATHER...HYDROLOGIC AND CLIMATE
INFORMATION...IS AVAILABLE ON THE WEB AT:

HTTP://WWW.WEATHER.GOV/LINCOLN. THIS ADDRESS IS ALL IN LOWER CASE.

In the hours before

Local storm report, Jul 26, 4:38 PM CDT, 25 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE LINCOLN IL
438 PM CDT TUE JUL 26 2005

..TIME...   ...EVENT...      ...CITY LOCATION...     ...LAT.LON...
..DATE...   ....MAG....      ..COUNTY LOCATION..ST.. ...SOURCE....
            ..REMARKS..

0431 PM     TSTM WND GST     MORTON                  40.61N 89.47W
07/26/2005  60 MPH           TAZEWELL           IL   NWS EMPLOYEE

&&

HARDIMAN

The office that day

Everything else NWS Lincoln, IL issued on the same UTC day.

IssuedProductOfficeCountiesLasted
Jul 26, 4:14 PM CDTSevere Thunderstorm WarningILXPeoria, Tazewell35 min
Jul 26, 4:28 PM CDTTornado WarningILXTazewell21 min
Jul 26, 4:40 PM CDTTornado WarningILXWoodford31 min
Jul 26, 4:56 PM CDTSevere Thunderstorm WarningILXLogan, Mason, Tazewell29 min
Jul 26, 6:09 PM CDTSevere Thunderstorm WarningILXMacon52 min
Jul 26, 6:25 PM CDTTornado WarningILXMacon, Piatt50 min
Jul 26, 6:35 PM CDTSevere Thunderstorm WarningILXChampaign45 min
Jul 26, 6:48 PM CDTSevere Thunderstorm WarningILXChampaign40 min
Jul 26, 6:59 PM CDTSevere Thunderstorm WarningILXVermilion46 min

Nearby

Severe Thunderstorm Warnings in Illinois, 2005Every severe thunderstorm warning in 2005

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; radar from the NEXRAD Level II archive.