Alert archive / Indiana / Freeze Warnings in 2021
Freeze Warning 1, NWS Indianapolis, IN
NWS Indianapolis, IN issued this freeze warning at Mar 30, 2021, 2:37 PM EDT for 6 counties in Indiana. It took effect at Apr 1, 2021, 4:00 AM EDT. 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
- Mar 30, 2021, 2:37 PM EDT (18:37 UTC)
- In effect from
- Apr 1, 2021, 4:00 AM EDT
- Expired
- Apr 1, 2021, 11:00 AM EDT
- In force
- 7 hr
- Issued by
- NWS Indianapolis, IN
Counties Daviess County, IN, Jackson County, IN, Jennings County, IN, Knox County, IN, Lawrence County, IN, Martin County, IN
The radar
The Indianapolis radar (KIND), 103 km from the middle of the area, began a volume at 18:34 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
Lincoln, IL (KILX), launched 12:00Z, 6.6 hours before the alert went out and 229 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
- 1827 m above ground
- 0-6 km bulk shear
- 56 kt
- 0-1 km storm-relative helicity
- 495 m²/s²
- 0-3 km storm-relative helicity
- 464 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted.
625 WWUS73 KIND 301837 NPWIND URGENT - WEATHER MESSAGE National Weather Service Indianapolis IN 237 PM EDT Tue Mar 30 2021 INZ067>072-310245- /O.NEW.KIND.FZ.W.0001.210401T0800Z-210401T1500Z/ /O.NEW.KIND.FZ.A.0001.210402T0200Z-210402T1500Z/ Knox-Daviess-Martin-Lawrence-Jackson-Jennings- Including the cities of Vincennes, Washington, Loogootee, Shoals, Bedford, Mitchell, Seymour, Brownstown, and North Vernon 237 PM EDT Tue Mar 30 2021 ...FREEZE WARNING IN EFFECT FROM 4 AM TO 11 AM EDT THURSDAY... ...FREEZE WATCH IN EFFECT FROM THURSDAY EVENING THROUGH FRIDAY MORNING... * WHAT...Tempertures below freezing are expected. Low temperatures on Thursday Morning will be in the upper 20s. Low temperatures on Friday Morning will be in the lower 20s. * WHERE...Southern Central Indiana * WHEN...Early Thursday Morning and again on Thursday Night and Friday Morning. * IMPACTS...Vegetation sensitive to freezing temperatures may be killed. PRECAUTIONARY/PREPAREDNESS ACTIONS... A Freeze Warning means sub-freezing temperatures are imminent or highly likely. These conditions will kill crops and other sensitive vegetation. A Freeze Watch means sub-freezing temperatures are possible. These conditions could kill crops and other sensitive vegetation. && $$ Puma
7 follow-up statements
475 WWUS73 KIND 310146 NPWIND URGENT - WEATHER MESSAGE National Weather Service Indianapolis IN 946 PM EDT Tue Mar 30 2021 INZ067>072-311000- /O.CON.KIND.FZ.W.0001.210401T0800Z-210401T1500Z/ /O.CON.KIND.FZ.A.0001.210402T0200Z-210402T1500Z/ Knox-Daviess-Martin-Lawrence-Jackson-Jennings- Including the cities of Vincennes, Washington, Loogootee, Shoals, Bedford, Mitchell, Seymour, Brownstown, and North Vernon 946 PM EDT Tue Mar 30 2021 ...FREEZE WARNING REMAINS IN EFFECT FROM 4 AM TO 11 AM EDT THURSDAY... ...FREEZE WATCH REMAINS IN EFFECT FROM THURSDAY EVENING THROUGH FRIDAY MORNING... * WHAT...For the Freeze Warning, sub-freezing temperatures as low as 28 expected. For the Freeze Watch, sub-freezing temperatures as low as 22 possible. * WHERE...Lawrence, Jackson, Jennings, Knox, Martin and Daviess Counties. * WHEN...For the Freeze Warning, from 4 AM to 11 AM EDT Thursday. For the Freeze Watch, from Thursday evening through Friday morning. * IMPACTS...Frost and freeze conditions will kill crops, other sensitive vegetation and possibly damage unprotected outdoor plumbing. PRECAUTIONARY/PREPAREDNESS ACTIONS... Take steps now to protect tender plants from the cold. To prevent freezing and possible bursting of outdoor water pipes they should be wrapped, drained, or allowed to drip slowly. Those that have in-ground sprinkler systems should drain them and cover above- ground pipes to protect them from freezing. && $$ For more information from the National Weather Service visit https://weather.gov/ind
147 WWUS73 KIND 310734 NPWIND URGENT - WEATHER MESSAGE National Weather Service Indianapolis IN 334 AM EDT Wed Mar 31 2021 INZ067>072-311545- /O.CON.KIND.FZ.W.0001.210401T0800Z-210401T1500Z/ /O.CON.KIND.FZ.A.0001.210402T0200Z-210402T1500Z/ Knox-Daviess-Martin-Lawrence-Jackson-Jennings- Including the cities of Vincennes, Washington, Loogootee, Shoals, Bedford, Mitchell, Seymour, Brownstown, and North Vernon 334 AM EDT Wed Mar 31 2021 ...FREEZE WARNING REMAINS IN EFFECT FROM 4 AM TO 11 AM EDT THURSDAY... ...FREEZE WATCH REMAINS IN EFFECT FROM THURSDAY EVENING THROUGH FRIDAY MORNING... * WHAT...For the Freeze Warning, sub-freezing temperatures as low as 28 expected. For the Freeze Watch, sub-freezing temperatures as low as 23 possible. * WHERE...Lawrence, Jackson, Jennings, Knox, Martin and Daviess Counties. * WHEN...For the Freeze Warning, from 4 AM to 11 AM EDT Thursday. For the Freeze Watch, from Thursday evening through Friday morning. * IMPACTS...Frost and freeze conditions will kill crops, other sensitive vegetation and possibly damage unprotected outdoor plumbing. PRECAUTIONARY/PREPAREDNESS ACTIONS... Take steps now to protect tender plants from the cold. To prevent freezing and possible bursting of outdoor water pipes they should be wrapped, drained, or allowed to drip slowly. Those that have in-ground sprinkler systems should drain them and cover above- ground pipes to protect them from freezing. && $$ For more information from the National Weather Service visit https://weather.gov/ind
755 WWUS73 KIND 311359 NPWIND URGENT - WEATHER MESSAGE National Weather Service Indianapolis IN 959 AM EDT Wed Mar 31 2021 INZ067>072-312200- /O.CON.KIND.FZ.W.0001.210401T0800Z-210401T1500Z/ /O.CON.KIND.FZ.A.0001.210402T0200Z-210402T1500Z/ Knox-Daviess-Martin-Lawrence-Jackson-Jennings- Including the cities of Vincennes, Washington, Loogootee, Shoals, Bedford, Mitchell, Seymour, Brownstown, and North Vernon 959 AM EDT Wed Mar 31 2021 ...FREEZE WARNING REMAINS IN EFFECT FROM 4 AM TO 11 AM EDT THURSDAY... ...FREEZE WATCH REMAINS IN EFFECT FROM THURSDAY EVENING THROUGH FRIDAY MORNING... * WHAT...For the Freeze Warning, sub-freezing temperatures as low as 28 expected. For the Freeze Watch, sub-freezing temperatures as low as 23 possible. * WHERE...Lawrence, Jackson, Jennings, Knox, Martin and Daviess Counties. * WHEN...For the Freeze Warning, from 4 AM to 11 AM EDT Thursday. For the Freeze Watch, from Thursday evening through Friday morning. * IMPACTS...Frost and freeze conditions will kill crops, other sensitive vegetation and possibly damage unprotected outdoor plumbing. PRECAUTIONARY/PREPAREDNESS ACTIONS... Take steps now to protect tender plants from the cold. To prevent freezing and possible bursting of outdoor water pipes they should be wrapped, drained, or allowed to drip slowly. Those that have in-ground sprinkler systems should drain them and cover above- ground pipes to protect them from freezing. && $$ For more information from the National Weather Service visit https://weather.gov/ind
171 WWUS73 KIND 311906 NPWIND URGENT - WEATHER MESSAGE National Weather Service Indianapolis IN 306 PM EDT Wed Mar 31 2021 INZ067>072-010315- /O.UPG.KIND.FZ.A.0001.210402T0200Z-210402T1500Z/ /O.NEW.KIND.FZ.W.0002.210402T0200Z-210402T1500Z/ /O.CON.KIND.FZ.W.0001.210401T0800Z-210401T1500Z/ Knox-Daviess-Martin-Lawrence-Jackson-Jennings- Including the cities of Vincennes, Washington, Loogootee, Shoals, Bedford, Mitchell, Seymour, Brownstown, and North Vernon 306 PM EDT Wed Mar 31 2021 ...FREEZE WARNING REMAINS IN EFFECT FROM 4 AM TO 11 AM EDT THURSDAY... ...FREEZE WARNING IN EFFECT FROM 10 PM THURSDAY TO 11 AM EDT FRIDAY... * WHAT...For the first Freeze Warning, sub-freezing temperatures as low as 27 expected. For the second Freeze Warning, sub- freezing temperatures as low as 20 expected. * WHERE...Knox, Daviess, Martin, Lawrence, Jackson and Jennings Counties. * WHEN...For the first Freeze Warning, from 4 AM to 11 AM EDT Thursday. For the second Freeze Warning, from 10 PM Thursday to 11 AM EDT Friday. * IMPACTS...Frost and freeze conditions will kill crops, other sensitive vegetation and possibly damage unprotected outdoor plumbing. PRECAUTIONARY/PREPAREDNESS ACTIONS... Take steps now to protect tender plants from the cold. To prevent freezing and possible bursting of outdoor water pipes they should be wrapped, drained, or allowed to drip slowly. Those that have in-ground sprinkler systems should drain them and cover above- ground pipes to protect them from freezing. && $$ For more information from the National Weather Service visit https://weather.gov/ind
281 WWUS73 KIND 010131 NPWIND URGENT - WEATHER MESSAGE National Weather Service Indianapolis IN 931 PM EDT Wed Mar 31 2021 INZ067>072-010945- /O.CON.KIND.FZ.W.0001.210401T0800Z-210401T1500Z/ /O.CON.KIND.FZ.W.0002.210402T0200Z-210402T1500Z/ Knox-Daviess-Martin-Lawrence-Jackson-Jennings- Including the cities of Vincennes, Washington, Loogootee, Shoals, Bedford, Mitchell, Seymour, Brownstown, and North Vernon 931 PM EDT Wed Mar 31 2021 ...FREEZE WARNING REMAINS IN EFFECT FROM 4 AM TO 11 AM EDT THURSDAY... ...FREEZE WARNING REMAINS IN EFFECT FROM 10 PM THURSDAY TO 11 AM EDT FRIDAY... * WHAT...For the first Freeze Warning, sub-freezing temperatures as low as 27 expected. For the second Freeze Warning, sub- freezing temperatures as low as 20 expected. * WHERE...Lawrence, Jackson, Jennings, Knox, Martin and Daviess Counties. * WHEN...For the first Freeze Warning, from 4 AM to 11 AM EDT Thursday. For the second Freeze Warning, from 10 PM Thursday to 11 AM EDT Friday. * IMPACTS...Frost and freeze conditions will kill crops, other sensitive vegetation and possibly damage unprotected outdoor plumbing. PRECAUTIONARY/PREPAREDNESS ACTIONS... Take steps now to protect tender plants from the cold. To prevent freezing and possible bursting of outdoor water pipes they should be wrapped, drained, or allowed to drip slowly. Those that have in-ground sprinkler systems should drain them and cover above- ground pipes to protect them from freezing. && $$ For more information from the National Weather Service visit https://weather.gov/ind
633 WWUS73 KIND 010756 NPWIND URGENT - WEATHER MESSAGE National Weather Service Indianapolis IN 356 AM EDT Thu Apr 1 2021 INZ067>072-011600- /O.CON.KIND.FZ.W.0001.210401T0800Z-210401T1500Z/ /O.CON.KIND.FZ.W.0002.210402T0200Z-210402T1500Z/ Knox-Daviess-Martin-Lawrence-Jackson-Jennings- Including the cities of Vincennes, Washington, Loogootee, Shoals, Bedford, Mitchell, Seymour, Brownstown, and North Vernon 356 AM EDT Thu Apr 1 2021 ...FREEZE WARNING REMAINS IN EFFECT UNTIL 11 AM EDT THIS MORNING... ...FREEZE WARNING REMAINS IN EFFECT FROM 10 PM THIS EVENING TO 11 AM EDT FRIDAY... * WHAT...For the first Freeze Warning, sub-freezing temperatures as low as 27 expected. For the second Freeze Warning, sub- freezing temperatures as low as 20 expected. * WHERE...Lawrence, Jackson, Jennings, Knox, Martin and Daviess Counties. * WHEN...For the first Freeze Warning, until 11 AM EDT this morning. For the second Freeze Warning, from 10 PM this evening to 11 AM EDT Friday. * IMPACTS...Frost and freeze conditions will kill crops, other sensitive vegetation and possibly damage unprotected outdoor plumbing. PRECAUTIONARY/PREPAREDNESS ACTIONS... Take steps now to protect tender plants from the cold. To prevent freezing and possible bursting of outdoor water pipes they should be wrapped, drained, or allowed to drip slowly. Those that have in-ground sprinkler systems should drain them and cover above- ground pipes to protect them from freezing. && $$ For more information from the National Weather Service visit https://weather.gov/ind
611 WWUS73 KIND 011501 NPWIND URGENT - WEATHER MESSAGE National Weather Service Indianapolis IN 1101 AM EDT Thu Apr 1 2021 INZ067>072-012315- /O.EXP.KIND.FZ.W.0001.000000T0000Z-210401T1500Z/ /O.CON.KIND.FZ.W.0002.210402T0200Z-210402T1500Z/ Knox-Daviess-Martin-Lawrence-Jackson-Jennings- Including the cities of Vincennes, Washington, Loogootee, Shoals, Bedford, Mitchell, Seymour, Brownstown, and North Vernon 1101 AM EDT Thu Apr 1 2021 ...FREEZE WARNING REMAINS IN EFFECT FROM 10 PM THIS EVENING TO 11 AM EDT FRIDAY... * WHAT...Sub-freezing temperatures as low as 20 expected. * WHERE...Lawrence, Jackson, Jennings, Knox, Martin and Daviess Counties. * WHEN...From 10 PM this evening to 11 AM EDT Friday. * IMPACTS...Frost and freeze conditions will kill crops, other sensitive vegetation and possibly damage unprotected outdoor plumbing. PRECAUTIONARY/PREPAREDNESS ACTIONS... Take steps now to protect tender plants from the cold. To prevent freezing and possible bursting of outdoor water pipes they should be wrapped, drained, or allowed to drip slowly. Those that have in-ground sprinkler systems should drain them and cover above- ground pipes to protect them from freezing. && $$ For more information from the National Weather Service visit https://weather.gov/ind
The office that day
Everything else NWS Indianapolis, IN issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Mar 30, 2:37 PM EDT | Freeze Watch | IND | Daviess, Jackson, Jennings, Knox, Lawrence, Martin | 24 hr |
Nearby
Freeze Warnings in Indiana, 2021Every freeze warning in 2021
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.