Alert archive / Illinois / Severe Thunderstorm Warnings in 1990
Severe Thunderstorm Warning 16, NWS Quad Cities, IA
NWS Quad Cities, IA issued this severe thunderstorm warning at Jun 19, 1990, 10:22 PM CDT for Whiteside County, Illinois. It was in force for 38 min.
The area
The counties it named.
The facts
- Issued
- Jun 19, 1990, 10:22 PM CDT (03:22 UTC)
- Expired
- Jun 19, 1990, 11:00 PM CDT
- In force
- 38 min
- Issued by
- NWS Quad Cities, IA
- Area
- Whole counties
County Whiteside County, IL
The radar
The WSR-88D network and its archive begin in 1991, so there is no radar volume for this alert.
The nearest sounding before it
Green Bay/Straub, WI (KGRB), launched 00:00Z, 3.4 hours before the alert went out and 337 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
- 0 J/kg
- Mixed-layer CIN
- No buoyant parcel
- Mixed-layer LCL
- 2451 m above ground
- 0-6 km bulk shear
- 64 kt
- 0-1 km storm-relative helicity
- 105 m²/s²
- 0-3 km storm-relative helicity
- 214 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted, in the capitals the NWS used until 2016.
000
TTAA00 KMLI 200322
SVRMLI
ILC195-200400-
BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE MOLINE IL
1022 PM CDT TUE JUN 19 1990
THE NATIONAL WEATHER SERVICE HAS ISSUED A SEVERE THUNDERSTORM
WARNING EFFECTIVE UNTIL 1100 PM CDT FOR PEOPLE IN THE FOLLOWING
COUNTY
IN THE NORTHWEST PART OF ILLINOIS
EXTREME EASTERN WHITESIDE
AT 1012 PM CDT A SEVERE THUNDERSTORM POSSIBLY PRODUCING LARGE HAIL
AND VERY HEAVY RAIN WAS NEAR ROCK FALLS ILLINOIS OR 45 MILES
NORTHEAST OF MOLINE ILLINOIS...MOVING EAST AT 30 MILES AN HOUR.
SOME CITIES/TOWNS IN THE PATH OF THIS STORM INCLUDE...
TAMPICO
FOR YOUR PROTECTION GO TO A SAFE PLACE IMMEDIATELY. STAY INDOORS
AND AVOID WINDOWS. IF OUTDOORS...DO NOT STAND UNDER A TREE OR IN
OPEN AREAS SUCH AS A FIELD.
A SEVERE THUNDERSTORM CAN PRODUCE DAMAGING WIND OF 60 MPH OR MORE...
LARGE HAIL...FREQUENT DANGEROUS LIGHTNING AND HEAVY RAIN.
A TORNADO WATCH IS ALSO IN EFFECT FOR THE WARNED AREA. REMEMBER
SEVERE THUNDERSTORMS CAN AND OCCASIONALLY DO PRODUCE TORNADOES
WITH LITTLE OR NO WARNING...SO BE ON THE LOOKOUT AND BE
PREPARED TO MOVE TO A PLACE OF SAFETY IF ONE IS SPOTTED.
THESE SLOW MOVING THUNDERSTORMS MAY CAUSE FLOODING OF SMALL
STREAMS AND UNDERPASSES. DO NOT DRIVE THROUGH FLOODED AREAS.
IF TIME PERMITS...ASK THE NEAREST LAW ENFORCEMENT AGENCY TO RELAY
YOUR REPORT OF SEVERE WEATHER TO THE NATIONAL WEATHER SERVICE.
ATTN ISP 7 AND 1
MEYER 0318Z
0What 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.
In the hours before
Special weather statement, Jun 19, 7:35 PM CDT, 2 hours 47 minutes before
IAZ008-200130- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE DUBUQUE IA 725 PM CDT TUE JUN 19 1990 ...SEVERE THUNDERSTORM WATCH THE IOWA SIDE OF THE TRI-STATE UNTIL MIDNIGHT CDT... ...FLASH FLOOD WATCH FOR TONIGHT... AT 720 PM CDT AREA OF SHOWERS AND THUNDERSTORMS JUST ON THE NORTHERN BORDER OF LAFAYETTE COUNTY IN SOUTHWEST WISCONSIN ABOUT 40 MILES NORTHEAST OF DUBUQUE. THE SHOWERS AND THUNDERSTORMS WERE MOVING EAST AT 30 MILES AN HOUR. ALTHOUGH NO SEVERE WEATHER HAS BEEN REPORTED YET...PERSONS IN THE TRI-STATE AREA SHOULD BE ALERT FOR THUNDERSTORMS WITH LARGE HAIL... HEAVY RAIN...DAMAGING WINDS...DANGEROUS LIGHTING AND THE POSSIBILITY OF MORE FLASH FLOODING IN AREAS THAT ARE ALTREADY SATURATED WITH RAIN. HINNERS
Special weather statement, Jun 19, 7:37 PM CDT, 2 hours 45 minutes before
ILZ004-IAZ015-200140- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE MOLINE IL 735 PM CDT TUE JUN 19 1990 ...FLASH FLOOD WATCH IN EFFECT THIS EVENING AND TONIGHT... THUNDERSTORMS AND SHOWERS ONCE AGAIN DEVELOPING ACROSS SOUTHEAST IOWA AND NORTHWEST ILLINOIS. AT 730 PM CDT A STRONG THUNDERSTORM PRODUCING HEAVY RAIN...POSSIBLY SMALL HAIL AND BRIEF GUSTY WINDS WAS 7 MILES EAST OF WAPELLO IOWA IN LOUISA COUNTY IN SOUTHEAST IOWA. THIS WOULD PLACE THE THUNDERSTORM ABOUT 35 MILES SOUTHWEST OF MOLINE ILLINOIS. OTHER STRONG THUNDERSTORMS HAD DEVELOPED JUST 5 MILES NORTHEAST OF THE QUAD CITIES ALONG THE MISSISSIPPI RIVER. ALL THUNDERSTORMS AND SHOWERS WERE MOVING EAST AT 25 MILES AN HOUR@. THE POTENTIAL FOR FLOODING OR FLASH FLOODING STAYS WITH US...KEEP ALERT!
Special weather statement, Jun 19, 8:22 PM CDT, 2 hours before
IAZ008-200230- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE DUBUQUE IA 825 PM CDT TUE JUN 19 1990 ...SEVERE THUNDERSTORM WATCH THE IOWA SIDE OF THE TRI-STATE UNTIL MIDNIGHT CDT... ...FLASH FLOOD WATCH FOR TONIGHT... AT 820 PM CDT THE TRI-STATE WAS CLEAR OF ANY RAIN OR THUNDERSTORMS. ALTHOUGH NO SEVERE WEATHER HAS BEEN REPORTED YET. PERSONS IN THE TRI-STATE AREA SHOULD BE ALERT FOR THUNDERSTORMS WITH LARGE HAIL... HEAVY RAIN...DAMAGING WINDS...DANGEROUS LIGHTING AND THE POSSIBILITY OF MORE FLASH FLOODING IN AREAS THAT ARE ALREADY SATURATED WITH RAIN. STAY TUNED TO YOUR LOCAL RADIO...TV OR THIS WEATHER RADIO STATION FOR FURTHER UPDATES. HINNERS
Special weather statement, Jun 19, 9:08 PM CDT, 1 hour 14 minutes before
ILZ004-IAZ015-200245- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE MOLINE IL 900 PM CDT TUE JUN 19 1990 ...TORNADO WATCH FOR SOUTHEAST IOWA AND PARTS OF WESTERN ILLINOIS UNTIL 1AM CDT... ...FLASH FLOOD WATCH IN EFFECT THIS EVENING AND TONIGHT... STRONG THUNDERSTORMS WERE MOVING ACROSS PARTS OF SOUTHEAST IOWA AND WESTERN ILLINOIS. AT 840 PM CDT...CONESVILLE IOWA REPORTED .80 OF AN INCH OF RAIN IN A 20 MINUTE PERIOD. IN ADDITION TO THE HEAVY RAIN SMALL HAIL IS ALSO POSSIBLE WITH THESE STORMS. THE STRONGEST THUNDERSTORMS WERE LOCATED JUST SOUTH OF THE QUAD CITY AIRPORT AND WERE MOVING EAST AT 30 MILES AN HOUR. FOBERT
The office that day
Everything else NWS Quad Cities, IA issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jun 19, 10:35 PM CDT | Flash Flood Warning | DVN | Henry, Mercer, Rock Island | 2 hr |
Nearby
Severe Thunderstorm Warnings in Illinois, 1990Every severe thunderstorm warning in 1990
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.