Alert archive / Iowa / Freeze Warnings in 2012
Freeze Warning 10, NWS Quad Cities, IA
NWS Quad Cities, IA issued this freeze warning at Oct 26, 2012, 3:17 PM CDT for 4 counties in Illinois; Clark County, Scotland County, Missouri; 5 counties in Iowa. It took effect at Oct 27, 2012, 1:00 AM CDT. It was in force for 7 hr. No storm report in the archive falls inside the area while it was in force.
The area
The counties it named.
The facts
- Issued
- Oct 26, 2012, 3:17 PM CDT (20:17 UTC)
- In effect from
- Oct 27, 2012, 1:00 AM CDT
- Expired
- Oct 27, 2012, 8:00 AM CDT
- In force
- 7 hr
- Issued by
- NWS Quad Cities, IA
Counties Des Moines County, IA, Henry County, IA, Jefferson County, IA, Lee County, IA, Van Buren County, IA, Hancock County, IL, Henderson County, IL, McDonough County, IL, Warren County, IL, Clark County, MO, Scotland County, MO
The radar
The Quad Cities radar (KDVN), 122 km from the middle of the area, began a volume at 20:19 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 12:00Z, 8.3 hours before the alert went out and 127 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
- 953 m above ground
- 0-6 km bulk shear
- 86 kt
- 0-1 km storm-relative helicity
- -156 m²/s²
- 0-3 km storm-relative helicity
- -116 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted, in the capitals the NWS used until 2016.
778 WWUS73 KDVN 262017 NPWDVN URGENT - WEATHER MESSAGE NATIONAL WEATHER SERVICE QUAD CITIES IA IL 317 PM CDT FRI OCT 26 2012 ...HARD FREEZE EXPECTED TONIGHT... .HIGH PRESSURE WILL BRING CLEARING SKIES AND LIGHT WINDS TO THE REGION TONIGHT. THIS WILL ALLOW TEMPERATURES TO PLUMMET INTO THE MID 20S TO AROUND 30 DEGREES OVERNIGHT. THIS WILL RESULT IN THE FIRST WIDESPREAD HARD FREEZE FOR PORTIONS OF SOUTHEAST IOWA... WEST CENTRAL ILLINOIS...AND NORTHEAST MISSOURI. IAZ087>089-098-099-ILZ025-026-034-035-MOZ009-010-270630- /O.UPG.KDVN.FZ.A.0004.121027T0600Z-121027T1300Z/ /O.NEW.KDVN.FZ.W.0010.121027T0600Z-121027T1300Z/ JEFFERSON-HENRY IA-DES MOINES-VAN BUREN-LEE-HENDERSON-WARREN- HANCOCK-MCDONOUGH-SCOTLAND-CLARK- INCLUDING THE CITIES OF...FAIRFIELD...MOUNT PLEASANT... BURLINGTON...KEOSAUQUA....FORT MADISON...OQUAWKA...MONMOUTH... CARTHAGE...MACOMB...MEMPHIS...KAHOKA 317 PM CDT FRI OCT 26 2012 ...FREEZE WARNING IN EFFECT FROM 1 AM TO 8 AM CDT SATURDAY... THE NATIONAL WEATHER SERVICE IN QUAD CITIES HAS ISSUED A FREEZE WARNING...WHICH IS IN EFFECT FROM 1 AM TO 8 AM CDT SATURDAY. THE FREEZE WATCH IS NO LONGER IN EFFECT. * TIMING...1 AM TO 8 AM SATURDAY. * TEMPERATURE...LOWS IN THE MID 20S TO AROUND 30. * IMPACTS...SEVERAL HOURS OF BELOW FREEZING TEMPERATURES LATE TONIGHT AND EARLY SATURDAY MORNING WILL LIKELY KILL SENSITIVE VEGETATION LEFT OUTDOORS. THIS WILL END THE GROWING SEASON ACROSS THE AREA. PRECAUTIONARY/PREPAREDNESS ACTIONS... A FREEZE WARNING MEANS SUB-FREEZING TEMPERATURES ARE IMMINENT OR HIGHLY LIKELY. THESE CONDITIONS WILL KILL CROPS AND OTHER SENSITIVE VEGETATION. && $$
3 follow-up statements
670 WWUS73 KDVN 270159 NPWDVN URGENT - WEATHER MESSAGE NATIONAL WEATHER SERVICE QUAD CITIES IA IL 859 PM CDT FRI OCT 26 2012 ...HARD FREEZE EXPECTED TONIGHT... .HIGH PRESSURE WILL BRING CLEARING SKIES AND LIGHT WINDS TO THE REGION TONIGHT. THIS WILL ALLOW TEMPERATURES TO PLUMMET INTO THE MID 20S TO AROUND 30 DEGREES OVERNIGHT. THIS WILL RESULT IN THE FIRST WIDESPREAD HARD FREEZE FOR PORTIONS OF SOUTHEAST IOWA... WEST CENTRAL ILLINOIS...AND NORTHEAST MISSOURI. IAZ087>089-098-099-ILZ025-026-034-035-MOZ009-010-271200- /O.CON.KDVN.FZ.W.0010.121027T0600Z-121027T1300Z/ JEFFERSON-HENRY IA-DES MOINES-VAN BUREN-LEE-HENDERSON-WARREN- HANCOCK-MCDONOUGH-SCOTLAND-CLARK- INCLUDING THE CITIES OF...FAIRFIELD...MOUNT PLEASANT... BURLINGTON...KEOSAUQUA....FORT MADISON...OQUAWKA...MONMOUTH... CARTHAGE...MACOMB...MEMPHIS...KAHOKA 859 PM CDT FRI OCT 26 2012 ...FREEZE WARNING REMAINS IN EFFECT FROM 1 AM TO 8 AM CDT SATURDAY... * TIMING...1 AM TO 8 AM SATURDAY. * TEMPERATURE...LOWS IN THE MID 20S TO AROUND 30. * IMPACTS...SEVERAL HOURS OF BELOW FREEZING TEMPERATURES LATE TONIGHT AND EARLY SATURDAY MORNING WILL LIKELY KILL SENSITIVE VEGETATION LEFT OUTDOORS. THIS WILL END THE GROWING SEASON ACROSS THE AREA. PRECAUTIONARY/PREPAREDNESS ACTIONS... A FREEZE WARNING MEANS SUB-FREEZING TEMPERATURES ARE IMMINENT OR HIGHLY LIKELY. THESE CONDITIONS WILL KILL CROPS AND OTHER SENSITIVE VEGETATION. && $$
863 WWUS73 KDVN 270840 NPWDVN URGENT - WEATHER MESSAGE NATIONAL WEATHER SERVICE QUAD CITIES IA IL 340 AM CDT SAT OCT 27 2012 ...HARD FREEZE EARLY THIS MORNING... .HIGH PRESSURE WITH ASSOCIATED CLEAR SKIES AND LIGHT WINDS...WILL ALLOW TEMPERATURES TO PLUMMET INTO THE MID 20S TO AROUND 30 DEGREES EARLY THIS MORNING. THIS WILL RESULT IN THE FIRST WIDESPREAD HARD FREEZE FOR PORTIONS OF SOUTHEAST IOWA...WEST CENTRAL ILLINOIS... AND NORTHEAST MISSOURI. IAZ087>089-098-099-ILZ025-026-034-035-MOZ009-010-271300- /O.CON.KDVN.FZ.W.0010.000000T0000Z-121027T1300Z/ JEFFERSON-HENRY IA-DES MOINES-VAN BUREN-LEE-HENDERSON-WARREN- HANCOCK-MCDONOUGH-SCOTLAND-CLARK- INCLUDING THE CITIES OF...FAIRFIELD...MOUNT PLEASANT... BURLINGTON...KEOSAUQUA....FORT MADISON...OQUAWKA...MONMOUTH... CARTHAGE...MACOMB...MEMPHIS...KAHOKA 340 AM CDT SAT OCT 27 2012 ...FREEZE WARNING REMAINS IN EFFECT UNTIL 8 AM CDT THIS MORNING... * TIMING...CURRENT TIME THROUGH 8 AM THIS MORNING. * TEMPERATURE...LOWS IN THE MID 20S TO AROUND 30. * IMPACTS...SEVERAL HOURS OF BELOW FREEZING TEMPERATURES EARLY THIS MORNING WILL LIKELY KILL SENSITIVE VEGETATION LEFT OUTDOORS. THIS WILL END THE GROWING SEASON ACROSS THE AREA. PRECAUTIONARY/PREPAREDNESS ACTIONS... A FREEZE WARNING MEANS SUB-FREEZING TEMPERATURES ARE IMMINENT OR HIGHLY LIKELY. THESE CONDITIONS WILL KILL CROPS AND OTHER SENSITIVE VEGETATION. && $$ 12
007 WWUS73 KDVN 271244 NPWDVN URGENT - WEATHER MESSAGE NATIONAL WEATHER SERVICE QUAD CITIES IA IL 744 AM CDT SAT OCT 27 2012 ...FREEZE WARNING TO EXPIRE AT 8 AM CDT THIS MORNING... IAZ087>089-098-099-ILZ025-026-034-035-MOZ009-010-271345- /O.EXP.KDVN.FZ.W.0010.000000T0000Z-121027T1300Z/ JEFFERSON-HENRY IA-DES MOINES-VAN BUREN-LEE-HENDERSON-WARREN- HANCOCK-MCDONOUGH-SCOTLAND-CLARK- INCLUDING THE CITIES OF...FAIRFIELD...MOUNT PLEASANT... BURLINGTON...KEOSAUQUA....FORT MADISON...OQUAWKA...MONMOUTH... CARTHAGE...MACOMB...MEMPHIS...KAHOKA 744 AM CDT SAT OCT 27 2012 ...FREEZE WARNING WILL EXPIRE AT 8 AM CDT THIS MORNING... WITH THE ONSET OF SUNRISE...TEMPERATURES WILL WARM BACK UP ABOVE FREEZING AFTER 8 AM CDT. THUS THE FREEZE WARNING WILL BE ALLOWED TO EXPIRE. $$ 12
Nearby
Freeze Warnings in Iowa, 2012Freeze Warnings in Illinois, 2012Freeze Warnings in Missouri, 2012Every freeze warning in 2012
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.