Alert archive / Illinois / Special Weather Statements in 2011
Special Weather Statement, NWS Lincoln, IL
NWS Lincoln, IL issued this special weather statement at Apr 3, 2011, 11:20 PM CDT for Marshall County, Illinois. It was in force for 25 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
- Apr 3, 2011, 11:20 PM CDT (04:20 UTC)
- Expired
- Apr 3, 2011, 11:45 PM CDT
- In force
- 25 min
- Issued by
- NWS Lincoln, IL
County Marshall County, IL
The radar
The Lincoln radar (KILX), 105 km from the middle of the area, began a volume at 04:23 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.
The nearest sounding before it
Davenport, (KDVN), launched 00:00Z, 4.3 hours before the alert went out and 110 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
- 1790 J/kg
- Mixed-layer CIN
- -85 J/kg
- Mixed-layer LCL
- 1684 m above ground
- 0-6 km bulk shear
- 40 kt
- 0-1 km storm-relative helicity
- 119 m²/s²
- 0-3 km storm-relative helicity
- 168 m²/s²
- Significant tornado parameter
- 0.3
- Supercell composite
- 5.9
The text
As transmitted, in the capitals the NWS used until 2016.
<!doctype html>
<html lang="en">
<head>
<meta charset="utf-8">
<meta name="viewport" content="width=device-width, initial-scale=1">
<title>Service Notice</title>
<link rel="stylesheet" href="index.css">
</head>
<body>
<main class="wrap">
<section class="card" role="status" aria-live="polite">
<div class="status" id="status">Temporary Notice</div>
<h1 id="headline">This service is currently unavailable.</h1>
<p id="message1">
The site you requested is temporarily down for maintenance or an unexpected outage.
</p>
<p id="message2">
Please try again in a few minutes.
</p>
<p class="small" id="detail">
If you are an administrator, restore upstream service and remove the redirect/fallback rule when normal operations resume.
</p>
</section>
</main>
<script src="index.js"></script>
</body>
</html>What forecasters said that day
The local office's own words before this special weather statement 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 special weather statement went out at Apr 3, 9:18 PM CDT, 2 hours 2 minutes earlier.
Area forecast discussion, Apr 3, 9:18 PM CDT, 2 hours 2 minutes before
<!doctype html>
<html lang="en">
<head>
<meta charset="utf-8">
<meta name="viewport" content="width=device-width, initial-scale=1">
<title>Service Notice</title>
<link rel="stylesheet" href="index.css">
</head>
<body>
<main class="wrap">
<section class="card" role="status" aria-live="polite">
<div class="status" id="status">Temporary Notice</div>
<h1 id="headline">This service is currently unavailable.</h1>
<p id="message1">
The site you requested is temporarily down for maintenance or an unexpected outage.
</p>
<p id="message2">
Please try again in a few minutes.
</p>
<p class="small" id="detail">
If you are an administrator, restore upstream service and remove the redirect/fallback rule when normal operations resume.
</p>
</section>
</main>
<script src="index.js"></script>
</body>
</html>Hazardous weather outlook, Apr 3, 3:10 PM CDT, 8 hours 10 minutes before
HAZARDOUS WEATHER OUTLOOK NATIONAL WEATHER SERVICE LINCOLN IL 310 PM CDT SUN APR 3 2011 ILZ027>031-036-037-040-041-047-049-050-041100- CASS-FULTON-KNOX-MARSHALL-MASON-MORGAN-PEORIA-SCHUYLER-SCOTT- STARK-TAZEWELL-WOODFORD- 310 PM CDT SUN APR 3 2011 ...WIND ADVISORY IN EFFECT UNTIL 7 PM CDT THIS EVENING... THIS HAZARDOUS WEATHER OUTLOOK IS FOR PORTIONS OF CENTRAL ILLINOIS...MAINLY ALONG AND WEST OF THE ILLINOIS RIVER. .DAY ONE...TONIGHT STRONG SOUTHERLY WINDS WILL GUST UP TO 40 MPH AT TIMES INTO EARLY EVENING...BEFORE DIMINISHING. SEVERE STORMS ARE POSSIBLE TONIGHT AS A STRONG COLD FRONT PUSHES THROUGH THE AREA. DAMAGING WINDS AND ISOLATED TORNADOES WILL BE THE PRIMARY SEVERE WEATHER THREATS. LARGE HAIL ALSO POSSIBLE... ESPECIALLY WEST OF THE ILLINOIS RIVER. .DAYS TWO THROUGH SEVEN...MONDAY THROUGH SATURDAY NORTHWEST WINDS BEHIND THE FRONT WILL GUST FROM 30 TO 35 MPH ON MONDAY. PERIODIC THUNDERSTORM CHANCES WILL OCCUR TOWARD THE END OF THE WEEK...FROM THURSDAY THROUGH SATURDAY. .SPOTTER INFORMATION STATEMENT... SPOTTER ACTIVATION MAY BE REQUIRED TONIGHT...WITH THE MOST LIKELY TIME FRAME BETWEEN 6 PM AND MIDNIGHT. ILZ038-042-043-048-051>053-041100- CHRISTIAN-DE WITT-LOGAN-MACON-MCLEAN-MENARD-SANGAMON- 310 PM CDT SUN APR 3 2011 ...WIND ADVISORY IN EFFECT UNTIL 7 PM CDT THIS EVENING... THIS HAZARDOUS WEATHER OUTLOOK IS FOR PORTIONS OF CENTRAL ILLINOIS...MAINLY BETWEEN I-55 AND THE ILLINOIS RIVER. .DAY ONE...TONIGHT STRONG SOUTHERLY WINDS WILL GUST IN EXCESS OF 40 MPH AT TIMES INTO EARLY EVENING...THEN SLOWLY DIMINISH. SEVERE STORMS ARE POSSIBLE TONIGHT AS A STRONG COLD FRONT PUSHES THROUGH THE AREA. DAMAGING WINDS WILL BE THE PRIMARY SEVERE WEATHER THREAT...WITH LARGE HAIL ALSO POSSIBLE. HOWEVER...AN ISOLATED TORNADO CANNOT BE RULED OUT. .DAYS TWO THROUGH SEVEN...MONDAY THROUGH SATURDAY NORTHWEST WINDS BEHIND THE FRONT WILL GUST FROM 30 TO 35 MPH ON MONDAY. PERIODIC THUNDERSTORM CHANCES WILL OCCUR TOWARD THE END OF THE WEEK...FROM THURSDAY THROUGH SATURDAY. .SPOTTER INFORMATION STATEMENT... SPOTTER ACTIVATION MAY BE REQUIRED TONIGHT...WITH THE MOST LIKELY TIME FRAME BETWEEN 9 PM AND 2 AM. ILZ044>046-054>057-061>063-066>068-071>073-041100- CHAMPAIGN-CLARK-CLAY-COLES-CRAWFORD-CUMBERLAND-DOUGLAS-EDGAR- EFFINGHAM-JASPER-LAWRENCE-MOULTRIE-PIATT-RICHLAND-SHELBY- VERMILION- 310 PM CDT SUN APR 3 2011 ...WIND ADVISORY IN EFFECT UNTIL 7 PM CDT THIS EVENING... THIS HAZARDOUS WEATHER OUTLOOK IS FOR EAST CENTRAL AND SOUTHEAST ILLINOIS. .DAY ONE...TONIGHT STRONG SOUTHERLY WINDS WILL GUST FROM 45 TO 50 MPH INTO EARLY EVENING...THEN SLOWLY DIMINISH THE REMAINDER OF THE EVENING. SEVERE STORMS ARE POSSIBLE TONIGHT...PRIMARILY AFTER MIDNIGHT... AS A STRONG COLD FRONT PUSHES THROUGH THE AREA. DAMAGING WINDS WILL BE THE PRIMARY SEVERE WEATHER THREAT. LARGE HAIL IS ALSO POSSIBLE...PRIMARILY IN AREAS NORTH OF I-70. .DAYS TWO THROUGH SEVEN...MONDAY THROUGH SATURDAY SCATTERED THUNDERSTORMS WILL CONTINUE INTO MONDAY MORNING...BUT WILL DIMINISH BY MIDDAY AS THE FRONT PUSHES FURTHER AWAY FROM THE REGION. PERIODIC THUNDERSTORM CHANCES WILL OCCUR TOWARD THE END OF THE WEEK...FROM THURSDAY THROUGH SATURDAY. .SPOTTER INFORMATION STATEMENT... SPOTTER ACTIVATION MAY BE REQUIRED TONIGHT...PRIMARILY AFTER MIDNIGHT. GEELHART
In the hours before
Special weather statement, Apr 3, 11:20 PM CDT, 0 minutes before
SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE LINCOLN IL
1120 PM CDT SUN APR 3 2011
ILZ030-040445-
MARSHALL-
1120 PM CDT SUN APR 3 2011
...SIGNIFICANT WEATHER ALERT FOR WESTERN MARSHALL COUNTY UNTIL 1145
PM CDT...
AT 1118 PM CDT...SATELLITE IMAGERY AND NATIONAL WEATHER SERVICE
DOPPLER RADAR INDICATED THAT THUNDERSTORMS WERE RAPIDLY DEVELOPING
NEAR HENRY...OR NEAR LACON...MOVING NORTHEAST AT 70 MPH.
PENNY SIZE HAIL...AND WINDS AROUND 55 MPH ARE EXPECTED WITH THIS
STORM.
PEOPLE IN MARSHALL COUNTY...INCLUDING THE CITY OF HENRY...SHOULD
MONITOR THE WEATHER SITUATION CLOSELY. LISTEN FOR POSSIBLE
WARNINGS...AND BE PREPARED TO TAKE APPROPRIATE ACTION SHOULD SEVERE
WEATHER THREATEN.
LAT...LON 4114 8932 4111 8933 4111 8925 4110 8920
4097 8945 4097 8948 4112 8958 4115 8945
4115 8938
TIME...MOT...LOC 0420Z 241DEG 61KT 4110 8937
AEJThe office that day
Everything else NWS Lincoln, IL issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Apr 4, 12:11 AM CDT | Special Weather Statement | ILX | Fulton, Knox, Peoria, Stark | 49 min |
| Apr 4, 12:25 AM CDT | Special Weather Statement | ILX | Cass, Mason, Menard, Schuyler | 50 min |
| Apr 4, 12:41 AM CDT | Severe Thunderstorm Warning | ILX | Cass, Fulton, Logan, Mason, Menard, Peoria and 2 more | 49 min |
| Apr 4, 5:11 AM CDT | Severe Thunderstorm Warning | ILX | Clark, Crawford, Cumberland, Jasper | 35 min |
| Apr 4, 8:08 AM CDT | Special Weather Statement | ILX | Clark, Crawford | 52 min |
Nearby
Special Weather Statements in Illinois, 2011Every special weather statement in 2011
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.