Alert archive / New Jersey / Winter Weather Advisories in 2021
Winter Weather Advisory 7, NWS Philadelphia/Mount Holly
NWS Philadelphia/Mount Holly issued this winter weather advisory at Feb 12, 2021, 3:21 PM EST for 4 states. It took effect at Feb 13, 2021, 8:00 AM EST. It was in force for 26 hr.
The area
The counties it named.
The facts
- Issued
- Feb 12, 2021, 3:21 PM EST (20:21 UTC)
- In effect from
- Feb 13, 2021, 8:00 AM EST
- Expired
- Feb 14, 2021, 9:56 AM EST
- In force
- 26 hr
- Issued by
- NWS Philadelphia/Mount Holly
All 33 counties
Kent County, DE, New Castle County, DE, Sussex County, DE, Caroline County, MD, Kent County, MD, Queen Anne's County, MD, Talbot County, MD, Atlantic County, NJ, Burlington County, NJ, Camden County, NJ, Cape May County, NJ, Cumberland County, NJ, Gloucester County, NJ, Hunterdon County, NJ, Mercer County, NJ, Middlesex County, NJ, Monmouth County, NJ, Morris County, NJ, Ocean County, NJ, Salem County, NJ, Somerset County, NJ, Sussex County, NJ, Warren County, NJ, Berks County, PA, Bucks County, PA, Carbon County, PA, Chester County, PA, Delaware County, PA, Lehigh County, PA, Monroe County, PA, Montgomery County, PA, Northampton County, PA, Philadelphia County, PA
The radar
The Philadelphia radar (KDIX), 67 km from the middle of the area, began a volume at 20:24 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
Brookhaven, NY (KOKX), launched 12:00Z, 8.4 hours before the alert went out and 220 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
- 1855 m above ground
- 0-6 km bulk shear
- 82 kt
- 0-1 km storm-relative helicity
- -106 m²/s²
- 0-3 km storm-relative helicity
- 108 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted.
318 WWUS41 KPHI 122021 WSWPHI URGENT - WINTER WEATHER MESSAGE National Weather Service Mount Holly NJ 321 PM EST Fri Feb 12 2021 DEZ001>004-MDZ012-015-019-020-NJZ016-021-023-024-131000- /O.NEW.KPHI.WW.Y.0007.210213T1300Z-210214T1200Z/ New Castle-Kent-Inland Sussex-Delaware Beaches-Kent MD- Queen Annes-Talbot-Caroline-Salem-Cumberland-Cape May- Atlantic Coastal Cape May- Including the cities of Wilmington, Dover, Georgetown, Rehoboth Beach, Chestertown, Centreville, Easton, Denton, Pennsville, Millville, Cape May Court House, and Ocean City 321 PM EST Fri Feb 12 2021 ...WINTER WEATHER ADVISORY IN EFFECT FROM 8 AM SATURDAY TO 7 AM EST SUNDAY... * WHAT...Freezing rain expected. Total ice accumulations of up to one tenth of an inch. * WHERE...Portions of southern New Jersey, northeast Maryland and central, northern and southern Delaware. * WHEN...From 8 AM Saturday to 7 AM EST Sunday. * IMPACTS...Difficult travel conditions are possible due to icy roadways, especially Saturday afternoon through Saturday night. PRECAUTIONARY/PREPAREDNESS ACTIONS... Slow down and use caution while traveling. The latest road conditions for the state you are calling from can be obtained by calling 5 1 1. && $$ NJZ009-010-012>015-017>020-022-025>027-PAZ070-071-101>106-131000- /O.NEW.KPHI.WW.Y.0007.210213T1800Z-210214T1800Z/ Hunterdon-Somerset-Middlesex-Western Monmouth-Eastern Monmouth- Mercer-Gloucester-Camden-Northwestern Burlington-Ocean-Atlantic- Coastal Atlantic-Coastal Ocean-Southeastern Burlington-Delaware- Philadelphia-Western Chester-Eastern Chester-Western Montgomery- Eastern Montgomery-Upper Bucks-Lower Bucks- Including the cities of Flemington, Somerville, New Brunswick, Freehold, Sandy Hook, Trenton, Glassboro, Camden, Cherry Hill, Moorestown, Mount Holly, Jackson, Hammonton, Atlantic City, Long Beach Island, Wharton State Forest, Media, Philadelphia, Honey Brook, Oxford, West Chester, Kennett Square, Collegeville, Pottstown, Norristown, Lansdale, Chalfont, Perkasie, Morrisville, and Doylestown 321 PM EST Fri Feb 12 2021 ...WINTER WEATHER ADVISORY IN EFFECT FROM 1 PM SATURDAY TO 1 PM EST SUNDAY... * WHAT...Mixed precipitation expected. Total snow accumulations of less than one inch and ice accumulations of up to one tenth of an inch. * WHERE...Portions of New Jersey and southeast Pennsylvania. * WHEN...From 1 PM Saturday to 1 PM EST Sunday. * IMPACTS...Difficult travel conditions are possible due to icy roadways, especially Saturday evening through Sunday morning. PRECAUTIONARY/PREPAREDNESS ACTIONS... Slow down and use caution while traveling. The latest road conditions for the state you are calling from can be obtained by calling 5 1 1. && $$ JEO
5 follow-up statements
260 WWUS41 KPHI 130819 WSWPHI URGENT - WINTER WEATHER MESSAGE National Weather Service Mount Holly NJ 319 AM EST Sat Feb 13 2021 NJZ008-132130- /O.EXB.KPHI.WW.Y.0007.210213T1800Z-210214T1500Z/ Morris- Including the city of Morristown 319 AM EST Sat Feb 13 2021 ...WINTER WEATHER ADVISORY IN EFFECT FROM 1 PM THIS AFTERNOON TO 10 AM EST SUNDAY... * WHAT...Mixed precipitation expected. Total snow accumulations of less than one inch and ice accumulations of a light glaze. * WHERE...Morris. * WHEN...From 1 PM this afternoon to 10 AM EST Sunday. * IMPACTS...Difficult travel conditions are possible due to icy roadways, especially Saturday afternoon through Saturday night. PRECAUTIONARY/PREPAREDNESS ACTIONS... Slow down and use caution while traveling. The latest road conditions for the state you are calling from can be obtained by calling 5 1 1. && $$ NJZ009-010-012>015-017>020-022-025>027-PAZ070-071-101>106-132130- /O.EXT.KPHI.WW.Y.0007.210213T1800Z-210214T1500Z/ Hunterdon-Somerset-Middlesex-Western Monmouth-Eastern Monmouth- Mercer-Gloucester-Camden-Northwestern Burlington-Ocean-Atlantic- Coastal Atlantic-Coastal Ocean-Southeastern Burlington-Delaware- Philadelphia-Western Chester-Eastern Chester-Western Montgomery- Eastern Montgomery-Upper Bucks-Lower Bucks- Including the cities of Flemington, Somerville, New Brunswick, Freehold, Sandy Hook, Trenton, Glassboro, Camden, Cherry Hill, Moorestown, Mount Holly, Jackson, Hammonton, Atlantic City, Long Beach Island, Wharton State Forest, Media, Philadelphia, Honey Brook, Oxford, West Chester, Kennett Square, Collegeville, Pottstown, Norristown, Lansdale, Chalfont, Perkasie, Morrisville, and Doylestown 319 AM EST Sat Feb 13 2021 ...WINTER WEATHER ADVISORY NOW IN EFFECT FROM 1 PM THIS AFTERNOON TO 10 AM EST SUNDAY... * WHAT...Mixed precipitation expected. Total snow accumulations of less than one inch and ice accumulations of around one tenth of an inch. * WHERE...Portions of central, northern, northwest and southern New Jersey and southeast Pennsylvania. * WHEN...From 1 PM this afternoon to 10 AM EST Sunday. * IMPACTS...Difficult travel conditions are possible due to icy roadways, especially Saturday afternoon through Saturday night. PRECAUTIONARY/PREPAREDNESS ACTIONS... Slow down and use caution while traveling. The latest road conditions for the state you are calling from can be obtained by calling 5 1 1. && $$ DEZ001>004-MDZ012-015-019-020-NJZ016-021-023-024-132130- /O.CON.KPHI.WW.Y.0007.210213T1300Z-210214T1200Z/ New Castle-Kent-Inland Sussex-Delaware Beaches-Kent MD- Queen Annes-Talbot-Caroline-Salem-Cumberland-Cape May- Atlantic Coastal Cape May- Including the cities of Wilmington, Dover, Georgetown, Rehoboth Beach, Chestertown, Centreville, Easton, Denton, Pennsville, Millville, Cape May Court House, and Ocean City 319 AM EST Sat Feb 13 2021 ...WINTER WEATHER ADVISORY REMAINS IN EFFECT FROM 8 AM THIS MORNING TO 7 AM EST SUNDAY... * WHAT...Mixed precipitation expected. Total snow accumulations of less than one inch and ice accumulations of around one tenth of an inch. * WHERE...Portions of southern New Jersey, northeast Maryland and central, northern and southern Delaware. * WHEN...From 8 AM this morning to 7 AM EST Sunday. * IMPACTS...Difficult travel conditions are possible due to icy roadways, especially Saturday afternoon through Saturday night. PRECAUTIONARY/PREPAREDNESS ACTIONS... Slow down and use caution while traveling. The latest road conditions for the state you are calling from can be obtained by calling 5 1 1. && $$ Davis
126 WWUS41 KPHI 132053 WSWPHI URGENT - WINTER WEATHER MESSAGE National Weather Service Mount Holly NJ 353 PM EST Sat Feb 13 2021 NJZ001-007-PAZ054-055-060>062-141000- /O.EXA.KPHI.WW.Y.0007.000000T0000Z-210214T1500Z/ Sussex-Warren-Carbon-Monroe-Berks-Lehigh-Northampton- Including the cities of Newton, Washington, Jim Thorpe, Stroudsburg, Reading, Allentown, Bethlehem, and Easton 353 PM EST Sat Feb 13 2021 ...WINTER WEATHER ADVISORY IN EFFECT UNTIL 10 AM EST SUNDAY... * WHAT...Freezing Rain and Freezing Drizzle. Periods of patchy freezing drizzle could see ice accumulations of a light glaze. * WHERE...Portions of northern New Jersey and east central and northeast Pennsylvania. * WHEN...Until 10 AM EST Sunday. * IMPACTS...Difficult travel conditions will be possible due to ice roadways, especially overnight into Sunday morning. PRECAUTIONARY/PREPAREDNESS ACTIONS... Slow down and use caution while traveling. The latest road conditions for the state you are calling from can be obtained by calling 5 1 1. && $$ DEZ001>004-MDZ012-015-019-020-NJZ016-021-023-024-141000- /O.CON.KPHI.WW.Y.0007.000000T0000Z-210214T1200Z/ New Castle-Kent-Inland Sussex-Delaware Beaches-Kent MD- Queen Annes-Talbot-Caroline-Salem-Cumberland-Cape May- Atlantic Coastal Cape May- Including the cities of Wilmington, Dover, Georgetown, Rehoboth Beach, Chestertown, Centreville, Easton, Denton, Pennsville, Millville, Cape May Court House, and Ocean City 353 PM EST Sat Feb 13 2021 ...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 7 AM EST SUNDAY... * WHAT...Mixed precipitation. Additional ice accumulations of around one to two tenths of an inch. * WHERE...Portions of southern New Jersey, northeast Maryland and central, northern and southern Delaware. * WHEN...Until 7 AM EST Sunday. * IMPACTS...Difficult travel conditions will be possible due to icy roadways, especially overnight into Sunday morning. Scattered power outages are anticipated as ice continues to accumulate on trees, power lines, and elevated surfaces. PRECAUTIONARY/PREPAREDNESS ACTIONS... Slow down and use caution while traveling. The latest road conditions for the state you are calling from can be obtained by calling 5 1 1. && $$ NJZ008>010-012>015-017>020-022-025>027-PAZ070-071-101>106-141000- /O.CON.KPHI.WW.Y.0007.000000T0000Z-210214T1500Z/ Morris-Hunterdon-Somerset-Middlesex-Western Monmouth- Eastern Monmouth-Mercer-Gloucester-Camden-Northwestern Burlington- Ocean-Atlantic-Coastal Atlantic-Coastal Ocean- Southeastern Burlington-Delaware-Philadelphia-Western Chester- Eastern Chester-Western Montgomery-Eastern Montgomery-Upper Bucks- Lower Bucks- Including the cities of Morristown, Flemington, Somerville, New Brunswick, Freehold, Sandy Hook, Trenton, Glassboro, Camden, Cherry Hill, Moorestown, Mount Holly, Jackson, Hammonton, Atlantic City, Long Beach Island, Wharton State Forest, Media, Philadelphia, Honey Brook, Oxford, West Chester, Kennett Square, Collegeville, Pottstown, Norristown, Lansdale, Chalfont, Perkasie, Morrisville, and Doylestown 353 PM EST Sat Feb 13 2021 ...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 10 AM EST SUNDAY... * WHAT...Mixed precipitation. Additional snow accumulations of up to one inch and ice accumulations of up to one tenth of an inch. * WHERE...Portions of central, northern, northwest and southern New Jersey and southeast Pennsylvania. * WHEN...Until 10 AM EST Sunday. * IMPACTS...Difficult travel conditions will be possible due to ice roadways, especially overnight into Sunday morning. PRECAUTIONARY/PREPAREDNESS ACTIONS... Slow down and use caution while traveling. The latest road conditions for the state you are calling from can be obtained by calling 5 1 1. && $$
808 WWUS41 KPHI 140817 WSWPHI URGENT - WINTER WEATHER MESSAGE National Weather Service Mount Holly NJ 317 AM EST Sun Feb 14 2021 DEZ001>004-MDZ012-015-019-020-NJZ016-021-023-024-141200- /O.CON.KPHI.WW.Y.0007.000000T0000Z-210214T1200Z/ New Castle-Kent-Inland Sussex-Delaware Beaches-Kent MD- Queen Annes-Talbot-Caroline-Salem-Cumberland-Cape May- Atlantic Coastal Cape May- Including the cities of Wilmington, Dover, Georgetown, Rehoboth Beach, Chestertown, Centreville, Easton, Denton, Pennsville, Millville, Cape May Court House, and Ocean City 317 AM EST Sun Feb 14 2021 ...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 7 AM EST THIS MORNING... * WHAT...Freezing Drizzle. Periods of patchy freezing drizzle could see ice accumulations of a light glaze. * WHERE...Portions of southern New Jersey, northeast Maryland and central, northern and southern Delaware. * WHEN...Until 7 AM EST this morning. * IMPACTS...Treacherous travel conditions will continue due to icy roadways. Sidewalks and other untreated surfaces will also be slippery through at least sunrise. PRECAUTIONARY/PREPAREDNESS ACTIONS... Slow down and use caution while traveling. The latest road conditions for the state you are calling from can be obtained by calling 5 1 1. && $$ NJZ008>010-012>015-017>020-022-025>027-PAZ070-071-101>106-141500- /O.CON.KPHI.WW.Y.0007.000000T0000Z-210214T1500Z/ Morris-Hunterdon-Somerset-Middlesex-Western Monmouth- Eastern Monmouth-Mercer-Gloucester-Camden-Northwestern Burlington- Ocean-Atlantic-Coastal Atlantic-Coastal Ocean- Southeastern Burlington-Delaware-Philadelphia-Western Chester- Eastern Chester-Western Montgomery-Eastern Montgomery-Upper Bucks- Lower Bucks- Including the cities of Morristown, Flemington, Somerville, New Brunswick, Freehold, Sandy Hook, Trenton, Glassboro, Camden, Cherry Hill, Moorestown, Mount Holly, Jackson, Hammonton, Atlantic City, Long Beach Island, Wharton State Forest, Media, Philadelphia, Honey Brook, Oxford, West Chester, Kennett Square, Collegeville, Pottstown, Norristown, Lansdale, Chalfont, Perkasie, Morrisville, and Doylestown 317 AM EST Sun Feb 14 2021 ...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 10 AM EST THIS MORNING... * WHAT...Freezing Drizzle. Periods of patchy freezing drizzle could see ice accumulations of a light glaze. * WHERE...Portions of central, northern, northwest and southern New Jersey and southeast Pennsylvania. * WHEN...Until 10 AM EST this morning. * IMPACTS...Treacherous travel conditions will continue due to icy roadways. Sidewalks and other untreated surfaces will also be slippery through at least mid morning. PRECAUTIONARY/PREPAREDNESS ACTIONS... Slow down and use caution while traveling. The latest road conditions for the state you are calling from can be obtained by calling 5 1 1. && $$ NJZ001-007-PAZ054-055-060>062-141500- /O.CON.KPHI.WW.Y.0007.000000T0000Z-210214T1500Z/ Sussex-Warren-Carbon-Monroe-Berks-Lehigh-Northampton- Including the cities of Newton, Washington, Jim Thorpe, Stroudsburg, Reading, Allentown, Bethlehem, and Easton 317 AM EST Sun Feb 14 2021 ...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 10 AM EST THIS MORNING... * WHAT...Freezing Drizzle. Periods of patchy freezing drizzle could see ice accumulations of a light glaze. * WHERE...Portions of northern New Jersey and east central and northeast Pennsylvania. * WHEN...Until 10 AM EST this morning. * IMPACTS...Difficult travel conditions will be possible due to icy roadways. PRECAUTIONARY/PREPAREDNESS ACTIONS... Slow down and use caution while traveling. The latest road conditions for the state you are calling from can be obtained by calling 5 1 1. && $$ Johnson
956 WWUS41 KPHI 141138 WSWPHI URGENT - WINTER WEATHER MESSAGE National Weather Service Mount Holly NJ 638 AM EST Sun Feb 14 2021 DEZ001>004-MDZ012-015-019-020-NJZ016-021-023-024-141500- /O.EXT.KPHI.WW.Y.0007.000000T0000Z-210214T1500Z/ New Castle-Kent-Inland Sussex-Delaware Beaches-Kent MD- Queen Annes-Talbot-Caroline-Salem-Cumberland-Cape May- Atlantic Coastal Cape May- Including the cities of Wilmington, Dover, Georgetown, Rehoboth Beach, Chestertown, Centreville, Easton, Denton, Pennsville, Millville, Cape May Court House, and Ocean City 638 AM EST Sun Feb 14 2021 ...WINTER WEATHER ADVISORY NOW IN EFFECT UNTIL 10 AM EST THIS MORNING... * WHAT...Freezing Drizzle. Periods of patchy freezing drizzle could see ice accumulations of a light glaze. * WHERE...Portions of southern New Jersey, northeast Maryland and central, northern and southern Delaware. * WHEN...Until 10 AM EST this morning. * IMPACTS...Treacherous travel conditions will continue due to icy roadways. Sidewalks and other untreated surfaces will also be slippery through at least mid morning. PRECAUTIONARY/PREPAREDNESS ACTIONS... Slow down and use caution while traveling. The latest road conditions for the state you are calling from can be obtained by calling 5 1 1. && $$ NJZ008>010-012>015-017>020-022-025>027-PAZ070-071-101>106-141500- /O.CON.KPHI.WW.Y.0007.000000T0000Z-210214T1500Z/ Morris-Hunterdon-Somerset-Middlesex-Western Monmouth- Eastern Monmouth-Mercer-Gloucester-Camden-Northwestern Burlington- Ocean-Atlantic-Coastal Atlantic-Coastal Ocean- Southeastern Burlington-Delaware-Philadelphia-Western Chester- Eastern Chester-Western Montgomery-Eastern Montgomery-Upper Bucks- Lower Bucks- Including the cities of Morristown, Flemington, Somerville, New Brunswick, Freehold, Sandy Hook, Trenton, Glassboro, Camden, Cherry Hill, Moorestown, Mount Holly, Jackson, Hammonton, Atlantic City, Long Beach Island, Wharton State Forest, Media, Philadelphia, Honey Brook, Oxford, West Chester, Kennett Square, Collegeville, Pottstown, Norristown, Lansdale, Chalfont, Perkasie, Morrisville, and Doylestown 638 AM EST Sun Feb 14 2021 ...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 10 AM EST THIS MORNING... * WHAT...Freezing Drizzle. Periods of patchy freezing drizzle could see ice accumulations of a light glaze. * WHERE...Portions of central, northern, northwest and southern New Jersey and southeast Pennsylvania. * WHEN...Until 10 AM EST this morning. * IMPACTS...Treacherous travel conditions will continue due to icy roadways. Sidewalks and other untreated surfaces will also be slippery through at least mid morning. PRECAUTIONARY/PREPAREDNESS ACTIONS... Slow down and use caution while traveling. The latest road conditions for the state you are calling from can be obtained by calling 5 1 1. && $$ NJZ001-007-PAZ054-055-060>062-141500- /O.CON.KPHI.WW.Y.0007.000000T0000Z-210214T1500Z/ Sussex-Warren-Carbon-Monroe-Berks-Lehigh-Northampton- Including the cities of Newton, Washington, Jim Thorpe, Stroudsburg, Reading, Allentown, Bethlehem, and Easton 638 AM EST Sun Feb 14 2021 ...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 10 AM EST THIS MORNING... * WHAT...Freezing Drizzle. Periods of patchy freezing drizzle could see ice accumulations of a light glaze. * WHERE...Portions of northern New Jersey and east central and northeast Pennsylvania. * WHEN...Until 10 AM EST this morning. * IMPACTS...Difficult travel conditions will be possible due to icy roadways. PRECAUTIONARY/PREPAREDNESS ACTIONS... Slow down and use caution while traveling. The latest road conditions for the state you are calling from can be obtained by calling 5 1 1. && $$
452 WWUS41 KPHI 141456 WSWPHI URGENT - WINTER WEATHER MESSAGE National Weather Service Mount Holly NJ 956 AM EST Sun Feb 14 2021 DEZ001>004-MDZ012-015-019-020-NJZ001-007>010-012>027-PAZ054-055- 060>062-070-071-101>106-141600- /O.CAN.KPHI.WW.Y.0007.000000T0000Z-210214T1500Z/ New Castle-Kent-Inland Sussex-Delaware Beaches-Kent MD- Queen Annes-Talbot-Caroline-Sussex-Warren-Morris-Hunterdon- Somerset-Middlesex-Western Monmouth-Eastern Monmouth-Mercer-Salem- Gloucester-Camden-Northwestern Burlington-Ocean-Cumberland- Atlantic-Cape May-Atlantic Coastal Cape May-Coastal Atlantic- Coastal Ocean-Southeastern Burlington-Carbon-Monroe-Berks-Lehigh- Northampton-Delaware-Philadelphia-Western Chester-Eastern Chester- Western Montgomery-Eastern Montgomery-Upper Bucks-Lower Bucks- Including the cities of Wilmington, Dover, Georgetown, Rehoboth Beach, Chestertown, Centreville, Easton, Denton, Newton, Washington, Morristown, Flemington, Somerville, New Brunswick, Freehold, Sandy Hook, Trenton, Pennsville, Glassboro, Camden, Cherry Hill, Moorestown, Mount Holly, Jackson, Millville, Hammonton, Cape May Court House, Ocean City, Atlantic City, Long Beach Island, Wharton State Forest, Jim Thorpe, Stroudsburg, Reading, Allentown, Bethlehem, Media, Philadelphia, Honey Brook, Oxford, West Chester, Kennett Square, Collegeville, Pottstown, Norristown, Lansdale, Chalfont, Perkasie, Morrisville, and Doylestown 956 AM EST Sun Feb 14 2021 ...WINTER WEATHER ADVISORY IS CANCELLED... Reports of freezing rain and freezing drizzle have come to an end and so while there are still icy conditions across the region there is no additional ice accumulation anticipated. $$ Deal
Nearby
Winter Weather Advisories in New Jersey, 2021Winter Weather Advisories in Pennsylvania, 2021Winter Weather Advisories in Maryland, 2021Every winter weather advisory 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.