Alert archive / Illinois / Severe Thunderstorm Warnings in 1998
Severe Thunderstorm Warning 114, NWS Quad Cities, IA
NWS Quad Cities, IA issued this severe thunderstorm warning at Jun 18, 1998, 7:11 PM CDT for Bureau County, Illinois. It was in force for 49 min. No storm report in the archive falls inside the area while it was in force.
The area
The counties it named.
The facts
- Issued
- Jun 18, 1998, 7:11 PM CDT (00:11 UTC)
- Expired
- Jun 18, 1998, 8:00 PM CDT
- In force
- 49 min
- Issued by
- NWS Quad Cities, IA
- Area
- Whole counties
County Bureau County, IL
The radar
The Quad Cities radar (KDVN), 91 km from the middle of the area, began a volume at 00:12 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 watch it was issued in
The SPC watch in force over the same counties when this warning went out.
| Issued | Product | Office | Lasted |
|---|---|---|---|
| Jun 18, 4:00 PM CDT | Severe Thunderstorm Watch | SPC | 5 hr |
The nearest sounding before it
Lincoln, IL (KILX), launched 00:00Z, 0.2 hours before the alert went out and 160 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
- 2675 J/kg
- Mixed-layer CIN
- -8 J/kg
- Mixed-layer LCL
- 1092 m above ground
- 0-6 km bulk shear
- 27 kt
- 0-1 km storm-relative helicity
- 115 m²/s²
- 0-3 km storm-relative helicity
- 219 m²/s²
- Significant tornado parameter
- 1.7
- Supercell composite
- 17.5
The text
The text of this product is not in the archive. The NWS text archive before 2002 is incomplete.
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 Quad Cities, IA wrote its last area forecast discussion before this severe thunderstorm warning went out at Jun 18, 2:30 PM CDT, 4 hours 41 minutes earlier.
Area forecast discussion, Jun 18, 2:30 PM CDT, 4 hours 41 minutes before
AREA FORECAST DISCUSSION NATIONAL WEATHER SERVICE QUAD CITIES IA IL 230 PM CDT THU JUN 18 1998 IN THE MIDDLE OF WATCHES AND KEEPING AN EYE ON BORDERLINE SEVERE WEATHER. THE WARM SECTOR BUSY WEATHER WAS JUST TO GET US FINE TURNED AND READY FOR THIS EVENING. THE MAIN COLD FRONT IS STILL IN CENTRAL IOWA WHERE DSM HAS BEEN BUSY WITH TOR AND SVR WARNINGS. MAIN MOISTURE CONVERGENCE IS STILL IN THE VICINITY OF THE COLD FRONT. SPC JUST POINTED OUT THAT ALSO SOME OLD OUTFLOW ACTION ALSO INTERACTING WITH THIS FRONT. JUST HAD A BRIEF CONVERSATION WITH DSM AND WILL GO WITH A CONTINUE FLASH FLOOD WATCH ACROSS ALL OF SOUTHEAST IOWA. THAT THREAT SHOULD END ONCE THE FRONT PUNCHES THROUGH...BUT UNTIL THEN...POTENTIAL IS STILL THERE FOR THIS TO TURN INTO A HEAVY RAIN EVENT. ALL INDICATIONS ARE THAT BY THE TIME THE COLD FRONT REACHES OUR AREA...WE WILL BE DEALING WITH MAINLY A HIGH WIND EVENT. DUE TO LACK OF TIME WILL GO WITH CURRENT GUIDANCE AND PREVIOUS ZFP PACKAGE AT THIS TIME. CID 65/++ DBQ 62/++ MLI 67/++ BRL 67/++ MEYER
In the hours before
Local storm report, Jun 18, 6:24 PM CDT, 47 minutes before
PRELIMINARY LOCAL STORM REPORT NATIONAL WEATHER SERVICE QUAD CITIES IA IL 624 PM CDT THU JUN 18 1998 TIME(CDT) .....CITY LOCATION..... ST ...EVENT/REMARKS... DATE(CDT) ....COUNTY LOCATION.... 0628 PM 5 S STERLING - ROCK FALLS IL TORNADO 06/18/98 WHITESIDE 0627 PM 2 N PEARL CITY IL 0.75 INCH HAIL 06/18/98 STEPHENSON
Local storm report, Jun 18, 6:24 PM CDT, 47 minutes before
PRELIMINARY LOCAL STORM REPORT NATIONAL WEATHER SERVICE QUAD CITIES IA IL 624 PM CDT THU JUN 18 1998 TIME(CDT) .....CITY LOCATION..... ST ...EVENT/REMARKS... DATE(CDT) ....COUNTY LOCATION.... 0628 PM 5 S STERLING - ROCK FALLS IL TORNADO 06/18/98 WHITESIDE 0627 PM 2 N PEARL CITY IL 0.75 INCH HAIL 06/18/98 STEPHENSON
Local storm report, Jun 18, 6:31 PM CDT, 40 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE QUAD CITIES IA IL
631 PM CDT THU JUN 18 1998
TIME(CDT) .....CITY LOCATION..... ST ...EVENT/REMARKS...
DATE(CDT) ....COUNTY LOCATION....
0558 PM BLANDINSVILLE IL WIND DAMAGE
06/18/98 MC DONOUGH LARGE TREES DOWN, STRUCTURE
DAMAGE
0615 PM MACOMB IL WIND DAMAGE
06/18/98 MC DONOUGH TREES DOWN WITH ROOF DAMAGE
0620 PM BUSHNELL IL WIND DAMAGE
06/18/98 MC DONOUGH 6 TREES DOWN, STRUCTURE DAMAGE
AND POWER LINES DOWN
0545 PM 1.5 N OQUAWKA IL WIND DAMAGE
06/18/98 HENDERSON TREES UPROOTEDLocal storm report, Jun 18, 6:31 PM CDT, 40 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE QUAD CITIES IA IL
631 PM CDT THU JUN 18 1998
TIME(CDT) .....CITY LOCATION..... ST ...EVENT/REMARKS...
DATE(CDT) ....COUNTY LOCATION....
0558 PM BLANDINSVILLE IL WIND DAMAGE
06/18/98 MC DONOUGH LARGE TREES DOWN, STRUCTURE
DAMAGE
0615 PM MACOMB IL WIND DAMAGE
06/18/98 MC DONOUGH TREES DOWN WITH ROOF DAMAGE
0620 PM BUSHNELL IL WIND DAMAGE
06/18/98 MC DONOUGH 6 TREES DOWN, STRUCTURE DAMAGE
AND POWER LINES DOWN
0545 PM 1.5 N OQUAWKA IL WIND DAMAGE
06/18/98 HENDERSON TREES UPROOTEDLocal storm report, Jun 18, 6:49 PM CDT, 22 minutes before
PRELIMINARY LOCAL STORM REPORT NATIONAL WEATHER SERVICE QUAD CITIES IA IL 649 PM CDT THU JUN 18 1998 TIME(CDT) .....CITY LOCATION..... ST ...EVENT/REMARKS... DATE(CDT) ....COUNTY LOCATION.... 0710 PM HENNEPIN IL 1.75 SIZE HAIL 06/18/98 PUTNAM GOLF BALL SIZED HAIL 0705 PM N PUTNAM COUNTY IL 0.75 INCH HAIL 06/18/98 PUTNAM NICHOL SIZED HAIL
Local storm report, Jun 18, 6:49 PM CDT, 22 minutes before
PRELIMINARY LOCAL STORM REPORT NATIONAL WEATHER SERVICE QUAD CITIES IA IL 649 PM CDT THU JUN 18 1998 TIME(CDT) .....CITY LOCATION..... ST ...EVENT/REMARKS... DATE(CDT) ....COUNTY LOCATION.... 0710 PM HENNEPIN IL 1.75 SIZE HAIL 06/18/98 PUTNAM GOLF BALL SIZED HAIL 0705 PM N PUTNAM COUNTY IL 0.75 INCH HAIL 06/18/98 PUTNAM NICHOL SIZED HAIL
Nearby
Severe Thunderstorm Warnings in Illinois, 1998Every severe thunderstorm warning in 1998
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.