Alert archive / Missouri / Freeze Warnings in 2018
Freeze Warning 2, NWS St. Louis, MO
NWS St. Louis, MO issued this freeze warning at Apr 4, 2018, 3:28 AM CDT for Iron County, Madison County, Reynolds County, Missouri. It took effect at Apr 5, 2018, 12:00 AM CDT. It was in force for 8 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
- Apr 4, 2018, 3:28 AM CDT (08:28 UTC)
- In effect from
- Apr 5, 2018, 12:00 AM CDT
- Expired
- Apr 5, 2018, 8:00 AM CDT
- In force
- 8 hr
- Issued by
- NWS St. Louis, MO
Counties Iron County, MO, Madison County, MO, Reynolds County, MO
The radar
The St Louis radar (KLSX), 139 km from the middle of the area, began a volume at 08:25 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
Springfield, MO (KSGF), launched 00:00Z, 8.5 hours before the alert went out and 284 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
- 733 m above ground
- 0-6 km bulk shear
- 68 kt
- 0-1 km storm-relative helicity
- -198 m²/s²
- 0-3 km storm-relative helicity
- -123 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted.
093 WWUS73 KLSX 040828 NPWLSX URGENT - WEATHER MESSAGE National Weather Service Saint Louis MO 328 AM CDT Wed Apr 4 2018 MOZ084-085-099-042130- /O.NEW.KLSX.FZ.W.0002.180405T0600Z-180405T1300Z/ /O.CON.KLSX.FZ.W.0001.000000T0000Z-180404T1500Z/ Iron MO-Madison MO-Reynolds MO- 328 AM CDT Wed Apr 4 2018 ...FREEZE WARNING REMAINS IN EFFECT UNTIL 10 AM CDT THIS MORNING... ...FREEZE WARNING IN EFFECT FROM 1 AM TO 8 AM CDT THURSDAY... The National Weather Service in Saint Louis has issued a Freeze Warning, which is in effect from 1 AM to 8 AM CDT Thursday. * TIMING...The temperature will fall into the upper 20s early this morning. Another round of sub freezing temperatures is expected overnight tonight. * TEMPERATURES...In the upper 20s both early this morning and overnight. * IMPACTS...The cold conditions may damage or kill vegetation and crops sensitive to an early Spring hard freeze if precautions are not taken. PRECAUTIONARY/PREPAREDNESS ACTIONS... A Freeze Warning means sub-freezing temperatures are imminent or highly likely. These conditions will kill crops and other sensitive vegetation. && $$ Glass
4 follow-up statements
483 WWUS73 KLSX 041522 NPWLSX URGENT - WEATHER MESSAGE National Weather Service Saint Louis MO 1022 AM CDT Wed Apr 4 2018 MOZ084-085-099-050330- /O.EXP.KLSX.FZ.W.0001.000000T0000Z-180404T1500Z/ /O.CON.KLSX.FZ.W.0002.180405T0600Z-180405T1300Z/ Iron MO-Madison MO-Reynolds MO- 1022 AM CDT Wed Apr 4 2018 ...FREEZE WARNING HAS FOR THIS MORNING HAS EXPIRED BUT REMAINS IN EFFECT FROM 1 AM TO 8 AM CDT THURSDAY... * TIMING...The temperature will fall back into the upper 20s late tonight. * TEMPERATURES...In the upper 20s. * IMPACTS...The cold conditions may damage or kill vegetation and crops sensitive to an early Spring hard freeze if precautions are not taken. PRECAUTIONARY/PREPAREDNESS ACTIONS... A Freeze Warning means sub-freezing temperatures are imminent or highly likely. These conditions will kill crops and other sensitive vegetation. && $$ Gosselin
705 WWUS73 KLSX 042025 NPWLSX URGENT - WEATHER MESSAGE National Weather Service Saint Louis MO 325 PM CDT Wed Apr 4 2018 ...Freeze Warning Tonight... .Freeze Warning tonight. MOZ084-085-099-050830- /O.EXT.KLSX.FZ.W.0002.180405T0500Z-180405T1300Z/ Iron MO-Madison MO-Reynolds MO- 325 PM CDT Wed Apr 4 2018 ...FREEZE WARNING NOW IN EFFECT FROM MIDNIGHT TONIGHT TO 8 AM CDT THURSDAY... * TIMING...The temperatures will fall back into the upper 20s late tonight. * TEMPERATURES...In the upper 20s. * IMPACTS...The cold conditions may damage or kill vegetation and crops sensitive to an early spring hard freeze if precautions are not taken. PRECAUTIONARY/PREPAREDNESS ACTIONS... A Freeze Warning means sub-freezing temperatures are imminent or highly likely. These conditions will kill crops and other sensitive vegetation. && $$ KD
721 WWUS73 KLSX 050944 NPWLSX URGENT - WEATHER MESSAGE National Weather Service St Louis MO 444 AM CDT Thu Apr 5 2018 MOZ084-085-099-051300- /O.CON.KLSX.FZ.W.0002.000000T0000Z-180405T1300Z/ Iron MO-Madison MO-Reynolds MO- 444 AM CDT Thu Apr 5 2018 ...FREEZE WARNING REMAINS IN EFFECT UNTIL 8 AM CDT THIS MORNING... * TIMING...Sub freezing temperatures will continue through early morning. * TEMPERATURES...In the middle to upper 20s. * IMPACTS...The cold conditions may damage or kill vegetation and crops sensitive to an early spring hard freeze if precautions are not taken. PRECAUTIONARY/PREPAREDNESS ACTIONS... A Freeze Warning means sub-freezing temperatures are imminent or highly likely. These conditions will kill crops and other sensitive vegetation. && $$
369 WWUS73 KLSX 051305 NPWLSX URGENT - WEATHER MESSAGE National Weather Service Saint Louis MO 805 AM CDT Thu Apr 5 2018 MOZ084-085-099-051415- /O.EXP.KLSX.FZ.W.0002.000000T0000Z-180405T1300Z/ Iron MO-Madison MO-Reynolds MO- 805 AM CDT Thu Apr 5 2018 ...FREEZE WARNING HAS EXPIRED... Temperatures have begun to warm and will be in the lower 40s by 1000 am. $$ Glass
Nearby
Freeze Warnings in Missouri, 2018Every freeze warning in 2018
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.