Alert archive / Massachusetts / Wind Advisories in 2020
Wind Advisory 27, NWS Boston/Norton, MA
NWS Boston/Norton, MA issued this wind advisory at Nov 29, 2020, 3:43 PM EST for 6 counties in Massachusetts; Providence County, Rhode Island; Capitol Planning Region, Northeastern Connecticut Planning Region, Connecticut. It took effect at Nov 30, 2020, 3:00 PM EST. It was in force for 7 hr.
The area
The counties it named.
The facts
- Issued
- Nov 29, 2020, 3:43 PM EST (20:43 UTC)
- In effect from
- Nov 30, 2020, 3:00 PM EST
- Expired
- Nov 30, 2020, 10:15 PM EST
- In force
- 7 hr
- Issued by
- NWS Boston/Norton, MA
Counties Capitol Planning Region, CT, Northeastern Connecticut Planning Region, CT, Essex County, MA, Hampden County, MA, Middlesex County, MA, Norfolk County, MA, Suffolk County, MA, Worcester County, MA, Providence County, RI
The radar
The Boston radar (KBOX), 52 km from the middle of the area, began a volume at 20:45 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
Chatham, MA (KCHH), launched 12:00Z, 8.7 hours before the alert went out and 153 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
- 1607 m above ground
- 0-6 km bulk shear
- 45 kt
- 0-1 km storm-relative helicity
- -5 m²/s²
- 0-3 km storm-relative helicity
- 82 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted.
255 WWUS71 KBOX 292043 NPWBOX URGENT - WEATHER MESSAGE National Weather Service Boston/Norton MA 343 PM EST Sun Nov 29 2020 MAZ005-006-013>015-RIZ001-300445- /O.NEW.KBOX.WI.Y.0027.201130T2000Z-201201T0500Z/ Central Middlesex MA-Western Essex MA-Western Norfolk MA- Southeast Middlesex MA-Suffolk MA-Northwest Providence RI- Including the cities of Framingham, Lowell, Lawrence, Foxborough, Norwood, Cambridge, Boston, Foster, and Smithfield 343 PM EST Sun Nov 29 2020 ...WIND ADVISORY IN EFFECT FROM 3 PM MONDAY TO MIDNIGHT EST MONDAY NIGHT... * WHAT...South winds 15 to 25 mph with gusts up to 45-50 mph expected. * WHERE...In Massachusetts, Central Middlesex MA, Western Essex MA, Western Norfolk MA, Southeast Middlesex MA and Suffolk MA Counties. In Rhode Island, Northwest Providence RI County. * WHEN...From 3 PM Monday to midnight EST Monday night. Strongest winds expected between 3 pm and 9 pm. * IMPACTS...Gusty winds could blow around unsecured objects. Tree limbs could be blown down and a few power outages may result. PRECAUTIONARY/PREPAREDNESS ACTIONS... Use extra caution when driving, especially if operating a high profile vehicle. Secure outdoor objects. && $$ MAZ007-016>024-RIZ002>008-300445- /O.CON.KBOX.HW.A.0005.201130T2000Z-201201T0500Z/ Eastern Essex MA-Eastern Norfolk MA-Northern Bristol MA- Western Plymouth MA-Eastern Plymouth MA-Southern Bristol MA- Southern Plymouth MA-Barnstable MA-Dukes MA-Nantucket MA- Southeast Providence RI-Western Kent RI-Eastern Kent RI- Bristol RI-Washington RI-Newport RI-Block Island RI- Including the cities of Gloucester, Quincy, Taunton, Brockton, Plymouth, Fall River, New Bedford, Mattapoisett, Chatham, Falmouth, Provincetown, Vineyard Haven, Nantucket, Providence, Coventry, West Greenwich, East Greenwich, Warwick, West Warwick, Bristol, Narragansett, Westerly, Newport, and New Shoreham 343 PM EST Sun Nov 29 2020 ...HIGH WIND WATCH REMAINS IN EFFECT FROM MONDAY AFTERNOON THROUGH MONDAY EVENING... * WHAT...South winds 25 to 35 mph with gusts up to 50-60 mph possible. * WHERE...Southern Rhode Island, southeast Massachusetts including Cape Cod and the Islands as well as coastal Essex county. * WHEN...From Monday afternoon through Monday evening. Strongest winds expected from 3 pm through midnight, with the threat shifting mostly to Cape/Islands after 9 pm. * IMPACTS...Damaging winds could blow down trees and power lines. Widespread power outages are possible. Travel could be difficult, especially for high profile vehicles. PRECAUTIONARY/PREPAREDNESS ACTIONS... Monitor the latest forecasts and warnings for updates on this situation. Fasten loose objects or shelter objects in a safe location prior to the onset of winds. && $$ For more information from the National Weather Service visit https://weather.gov/box
5 follow-up statements
034 WWUS71 KBOX 300258 NPWBOX URGENT - WEATHER MESSAGE National Weather Service Boston/Norton MA 958 PM EST Sun Nov 29 2020 MAZ005-006-013>015-RIZ001-301100- /O.CON.KBOX.WI.Y.0027.201130T2000Z-201201T0500Z/ Central Middlesex MA-Western Essex MA-Western Norfolk MA- Southeast Middlesex MA-Suffolk MA-Northwest Providence RI- Including the cities of Framingham, Lowell, Lawrence, Foxborough, Norwood, Cambridge, Boston, Foster, and Smithfield 958 PM EST Sun Nov 29 2020 ...WIND ADVISORY REMAINS IN EFFECT FROM 3 PM MONDAY TO MIDNIGHT EST MONDAY NIGHT... * WHAT...South winds 15 to 25 mph with gusts up to 45-50 mph expected. * WHERE...In Massachusetts, Central Middlesex MA, Western Essex MA, Western Norfolk MA, Southeast Middlesex MA and Suffolk MA Counties. In Rhode Island, Northwest Providence RI County. * WHEN...From 3 PM Monday to midnight EST Monday night. Strongest winds expected between 3 pm and 9 pm. * IMPACTS...Gusty winds could blow around unsecured objects. Tree limbs could be blown down and a few power outages may result. PRECAUTIONARY/PREPAREDNESS ACTIONS... Use extra caution when driving, especially if operating a high profile vehicle. Secure outdoor objects. && $$ MAZ007-016>024-RIZ002>008-301100- /O.CON.KBOX.HW.A.0005.201130T2000Z-201201T0500Z/ Eastern Essex MA-Eastern Norfolk MA-Northern Bristol MA- Western Plymouth MA-Eastern Plymouth MA-Southern Bristol MA- Southern Plymouth MA-Barnstable MA-Dukes MA-Nantucket MA- Southeast Providence RI-Western Kent RI-Eastern Kent RI- Bristol RI-Washington RI-Newport RI-Block Island RI- Including the cities of Gloucester, Quincy, Taunton, Brockton, Plymouth, Fall River, New Bedford, Mattapoisett, Chatham, Falmouth, Provincetown, Vineyard Haven, Nantucket, Providence, Coventry, West Greenwich, East Greenwich, Warwick, West Warwick, Bristol, Narragansett, Westerly, Newport, and New Shoreham 958 PM EST Sun Nov 29 2020 ...HIGH WIND WATCH REMAINS IN EFFECT FROM MONDAY AFTERNOON THROUGH MONDAY EVENING... * WHAT...South winds 25 to 35 mph with gusts up to 50-60 mph possible. * WHERE...Southern Rhode Island, southeast Massachusetts including Cape Cod and the Islands as well as coastal Essex county. * WHEN...From Monday afternoon through Monday evening. Strongest winds expected from 3 pm through midnight, with the threat shifting mostly to Cape/Islands after 9 pm. * IMPACTS...Damaging winds could blow down trees and power lines. Widespread power outages are possible. Travel could be difficult, especially for high profile vehicles. PRECAUTIONARY/PREPAREDNESS ACTIONS... Monitor the latest forecasts and warnings for updates on this situation. Fasten loose objects or shelter objects in a safe location prior to the onset of winds. && $$ For more information from the National Weather Service visit https://weather.gov/box
528 WWUS71 KBOX 300829 NPWBOX URGENT - WEATHER MESSAGE National Weather Service Boston/Norton MA 329 AM EST Mon Nov 30 2020 MAZ007-016>024-RIZ002>008-301630- /O.UPG.KBOX.HW.A.0005.201130T2000Z-201201T0500Z/ /O.NEW.KBOX.HW.W.0008.201130T2000Z-201201T0600Z/ Eastern Essex MA-Eastern Norfolk MA-Northern Bristol MA- Western Plymouth MA-Eastern Plymouth MA-Southern Bristol MA- Southern Plymouth MA-Barnstable MA-Dukes MA-Nantucket MA- Southeast Providence RI-Western Kent RI-Eastern Kent RI- Bristol RI-Washington RI-Newport RI-Block Island RI- Including the cities of Gloucester, Quincy, Taunton, Brockton, Plymouth, Fall River, New Bedford, Mattapoisett, Chatham, Falmouth, Provincetown, Vineyard Haven, Nantucket, Providence, Coventry, West Greenwich, East Greenwich, Warwick, West Warwick, Bristol, Narragansett, Westerly, Newport, and New Shoreham 329 AM EST Mon Nov 30 2020 ...HIGH WIND WARNING IN EFFECT FROM 3 PM THIS AFTERNOON TO 1 AM EST TUESDAY... * WHAT...South winds 25 to 35 mph with gusts between 50 and 60 mph expected. * WHERE...Central and southern Rhode Island, southeast Massachusetts including Cape Cod and the Islands as well as coastal Essex county. * WHEN...From 3 PM this afternoon to 1 AM EST Tuesday. * IMPACTS...Damaging winds could blow down some trees and power lines. Scattered power outages are possible. Travel could be difficult, especially for high profile vehicles. PRECAUTIONARY/PREPAREDNESS ACTIONS... People should avoid being outside in forested areas and around trees and branches. If possible, remain in the lower levels of your home during the windstorm, and avoid windows. Use caution if you must drive. && $$ CTZ002>004-MAZ004-009-011-012-026-301630- /O.EXB.KBOX.WI.Y.0027.201130T2000Z-201201T0600Z/ Hartford CT-Tolland CT-Windham CT-Northern Worcester MA- Western Hampden MA-Eastern Hampden MA-Southern Worcester MA- Northern Middlesex MA- Including the cities of Hartford, Windsor Locks, Union, Vernon, Putnam, Willimantic, Barre, Fitchburg, Blandford, Springfield, Milford, Worcester, and Ayer 329 AM EST Mon Nov 30 2020 ...WIND ADVISORY IN EFFECT FROM 3 PM THIS AFTERNOON TO 1 AM EST TUESDAY... * WHAT...South winds 15 to 30 mph with gusts between 40 and 50 mph expected. * WHERE...In Connecticut, Hartford CT, Tolland CT and Windham CT Counties. In Massachusetts, Northern Worcester MA, Western Hampden MA, Eastern Hampden MA, Southern Worcester MA and Northern Middlesex MA Counties. * WHEN...From 3 PM this afternoon to 1 AM EST Tuesday. * IMPACTS...Gusty winds could blow around unsecured objects. Tree limbs could be blown down and a few power outages may result. PRECAUTIONARY/PREPAREDNESS ACTIONS... Use extra caution when driving, especially if operating a high profile vehicle. Secure outdoor objects. && $$ MAZ005-006-013>015-RIZ001-301630- /O.EXT.KBOX.WI.Y.0027.201130T2000Z-201201T0600Z/ Central Middlesex MA-Western Essex MA-Western Norfolk MA- Southeast Middlesex MA-Suffolk MA-Northwest Providence RI- Including the cities of Framingham, Lowell, Lawrence, Foxborough, Norwood, Cambridge, Boston, Foster, and Smithfield 329 AM EST Mon Nov 30 2020 ...WIND ADVISORY NOW IN EFFECT FROM 3 PM THIS AFTERNOON TO 1 AM EST TUESDAY... * WHAT...South winds 15 to 30 mph with gusts between 40 and 50 mph expected. * WHERE...In Massachusetts, Suffolk MA, Southeast Middlesex MA, Western Norfolk MA, Central Middlesex MA and Western Essex MA Counties. In Rhode Island, Northwest Providence RI County. * WHEN...From 3 PM this afternoon to 1 AM EST Tuesday. * IMPACTS...Gusty winds could blow around unsecured objects. Tree limbs could be blown down and a few power outages may result. PRECAUTIONARY/PREPAREDNESS ACTIONS... Use extra caution when driving, especially if operating a high profile vehicle. Secure outdoor objects. && $$ Frank/Chai For more information from the National Weather Service visit https://weather.gov/box
313 WWUS71 KBOX 301515 NPWBOX URGENT - WEATHER MESSAGE National Weather Service Boston/Norton MA 1015 AM EST Mon Nov 30 2020 MAZ007-016>024-RIZ002>008-302315- /O.CON.KBOX.HW.W.0008.201130T2000Z-201201T0600Z/ Eastern Essex MA-Eastern Norfolk MA-Northern Bristol MA- Western Plymouth MA-Eastern Plymouth MA-Southern Bristol MA- Southern Plymouth MA-Barnstable MA-Dukes MA-Nantucket MA- Southeast Providence RI-Western Kent RI-Eastern Kent RI- Bristol RI-Washington RI-Newport RI-Block Island RI- Including the cities of Gloucester, Quincy, Taunton, Brockton, Plymouth, Fall River, New Bedford, Mattapoisett, Chatham, Falmouth, Provincetown, Vineyard Haven, Nantucket, Providence, Coventry, West Greenwich, East Greenwich, Warwick, West Warwick, Bristol, Narragansett, Westerly, Newport, and New Shoreham 1015 AM EST Mon Nov 30 2020 ...HIGH WIND WARNING REMAINS IN EFFECT FROM 3 PM THIS AFTERNOON TO 1 AM EST TUESDAY... * WHAT...South winds 25 to 35 mph with gusts between 50 and 60 mph expected. * WHERE...Central and southern Rhode Island, southeast Massachusetts including Cape Cod and the Islands as well as coastal Essex county. * WHEN...From 3 PM this afternoon to 1 AM EST Tuesday. * IMPACTS...Damaging winds could blow down some trees and power lines. Scattered power outages are possible. Travel could be difficult, especially for high profile vehicles. PRECAUTIONARY/PREPAREDNESS ACTIONS... People should avoid being outside in forested areas and around trees and branches. If possible, remain in the lower levels of your home during the windstorm, and avoid windows. Use caution if you must drive. && $$ MAZ005-006-013>015-RIZ001-302315- /O.CON.KBOX.WI.Y.0027.201130T2000Z-201201T0600Z/ Central Middlesex MA-Western Essex MA-Western Norfolk MA- Southeast Middlesex MA-Suffolk MA-Northwest Providence RI- Including the cities of Framingham, Lowell, Lawrence, Foxborough, Norwood, Cambridge, Boston, Foster, and Smithfield 1015 AM EST Mon Nov 30 2020 ...WIND ADVISORY REMAINS IN EFFECT FROM 3 PM THIS AFTERNOON TO 1 AM EST TUESDAY... * WHAT...South winds 15 to 30 mph with gusts between 40 and 50 mph expected. * WHERE...In Massachusetts, Suffolk MA, Southeast Middlesex MA, Western Norfolk MA, Central Middlesex MA and Western Essex MA Counties. In Rhode Island, Northwest Providence RI County. * WHEN...From 3 PM this afternoon to 1 AM EST Tuesday. * IMPACTS...Gusty winds could blow around unsecured objects. Tree limbs could be blown down and a few power outages may result. PRECAUTIONARY/PREPAREDNESS ACTIONS... Use extra caution when driving, especially if operating a high profile vehicle. Secure outdoor objects. && $$ CTZ002>004-MAZ004-009-011-012-026-302315- /O.CON.KBOX.WI.Y.0027.201130T2000Z-201201T0600Z/ Hartford CT-Tolland CT-Windham CT-Northern Worcester MA- Western Hampden MA-Eastern Hampden MA-Southern Worcester MA- Northern Middlesex MA- Including the cities of Hartford, Windsor Locks, Union, Vernon, Putnam, Willimantic, Barre, Fitchburg, Blandford, Springfield, Milford, Worcester, and Ayer 1015 AM EST Mon Nov 30 2020 ...WIND ADVISORY REMAINS IN EFFECT FROM 3 PM THIS AFTERNOON TO 1 AM EST TUESDAY... * WHAT...South winds 15 to 30 mph with gusts between 40 and 50 mph expected. * WHERE...In Connecticut, Hartford CT, Tolland CT and Windham CT Counties. In Massachusetts, Northern Worcester MA, Western Hampden MA, Eastern Hampden MA, Southern Worcester MA and Northern Middlesex MA Counties. * WHEN...From 3 PM this afternoon to 1 AM EST Tuesday. * IMPACTS...Gusty winds could blow around unsecured objects. Tree limbs could be blown down and a few power outages may result. PRECAUTIONARY/PREPAREDNESS ACTIONS... Use extra caution when driving, especially if operating a high profile vehicle. Secure outdoor objects. && $$ For more information from the National Weather Service visit https://weather.gov/box
794 WWUS71 KBOX 302000 NPWBOX URGENT - WEATHER MESSAGE National Weather Service Boston/Norton MA 300 PM EST Mon Nov 30 2020 MAZ007-016>024-RIZ002>008-010600- /O.CON.KBOX.HW.W.0008.000000T0000Z-201201T0600Z/ Eastern Essex MA-Eastern Norfolk MA-Northern Bristol MA- Western Plymouth MA-Eastern Plymouth MA-Southern Bristol MA- Southern Plymouth MA-Barnstable MA-Dukes MA-Nantucket MA- Southeast Providence RI-Western Kent RI-Eastern Kent RI- Bristol RI-Washington RI-Newport RI-Block Island RI- Including the cities of Gloucester, Quincy, Taunton, Brockton, Plymouth, Fall River, New Bedford, Mattapoisett, Chatham, Falmouth, Provincetown, Vineyard Haven, Nantucket, Providence, Coventry, West Greenwich, East Greenwich, Warwick, West Warwick, Bristol, Narragansett, Westerly, Newport, and New Shoreham 300 PM EST Mon Nov 30 2020 ...HIGH WIND WARNING REMAINS IN EFFECT UNTIL 1 AM EST TUESDAY... * WHAT...Southeast winds 20 to 30 mph with gusts up to 60 mph expected. * WHERE...Most of Rhode Island, Cape Ann, and southeast Massachusetts. * WHEN...Until 1 AM EST Tuesday. * IMPACTS...Damaging winds will blow down trees and power lines. Power outages are possible. Travel will be difficult, especially for high profile vehicles. PRECAUTIONARY/PREPAREDNESS ACTIONS... People should avoid being outside in forested areas and around trees and branches. If possible, remain in the lower levels of your home during the windstorm, and avoid windows. Use caution if you must drive. && $$ MAZ005-006-013>015-RIZ001-010600- /O.CON.KBOX.WI.Y.0027.000000T0000Z-201201T0600Z/ Central Middlesex MA-Western Essex MA-Western Norfolk MA- Southeast Middlesex MA-Suffolk MA-Northwest Providence RI- Including the cities of Framingham, Lowell, Lawrence, Foxborough, Norwood, Cambridge, Boston, Foster, and Smithfield 300 PM EST Mon Nov 30 2020 ...WIND ADVISORY REMAINS IN EFFECT UNTIL 1 AM EST TUESDAY... * WHAT...Southeast winds 15 to 25 mph with gusts up to 50 mph expected. * WHERE...Northwest Rhode Island, Metro Boston, and interior northeast Massachusetts. * WHEN...Until 1 AM EST Tuesday. * IMPACTS...Gusty winds could blow around unsecured objects. Tree limbs could be blown down and a few power outages may result. PRECAUTIONARY/PREPAREDNESS ACTIONS... Use extra caution when driving, especially if operating a high profile vehicle. Secure outdoor objects. && $$ CTZ002>004-MAZ004-009-011-012-026-010600- /O.CON.KBOX.WI.Y.0027.000000T0000Z-201201T0600Z/ Hartford CT-Tolland CT-Windham CT-Northern Worcester MA- Western Hampden MA-Eastern Hampden MA-Southern Worcester MA- Northern Middlesex MA- Including the cities of Hartford, Windsor Locks, Union, Vernon, Putnam, Willimantic, Barre, Fitchburg, Blandford, Springfield, Milford, Worcester, and Ayer 300 PM EST Mon Nov 30 2020 ...WIND ADVISORY REMAINS IN EFFECT UNTIL 1 AM EST TUESDAY... * WHAT...South winds 10 to 20 mph with gusts up to 45 mph expected. * WHERE...Northern Connecticut and most of central and western Massachusetts. * WHEN...Until 1 AM EST Tuesday. * IMPACTS...Gusty winds could blow around unsecured objects. Tree limbs could be blown down and a few power outages may result. PRECAUTIONARY/PREPAREDNESS ACTIONS... Use extra caution when driving, especially if operating a high profile vehicle. Secure outdoor objects. && $$ For more information from the National Weather Service visit https://weather.gov/box
823 WWUS71 KBOX 010315 NPWBOX URGENT - WEATHER MESSAGE National Weather Service Boston/Norton MA 1015 PM EST Mon Nov 30 2020 MAZ007-016>024-RIZ002>008-011115- /O.CAN.KBOX.HW.W.0008.000000T0000Z-201201T0600Z/ /O.NEW.KBOX.WI.Y.0028.201201T0315Z-201201T1200Z/ Eastern Essex MA-Eastern Norfolk MA-Northern Bristol MA- Western Plymouth MA-Eastern Plymouth MA-Southern Bristol MA- Southern Plymouth MA-Barnstable MA-Dukes MA-Nantucket MA- Southeast Providence RI-Western Kent RI-Eastern Kent RI- Bristol RI-Washington RI-Newport RI-Block Island RI- Including the cities of Gloucester, Quincy, Taunton, Brockton, Plymouth, Fall River, New Bedford, Mattapoisett, Chatham, Falmouth, Provincetown, Vineyard Haven, Nantucket, Providence, Coventry, West Greenwich, East Greenwich, Warwick, West Warwick, Bristol, Narragansett, Westerly, Newport, and New Shoreham 1015 PM EST Mon Nov 30 2020 ...WIND ADVISORY IN EFFECT UNTIL 7 AM EST TUESDAY... ...HIGH WIND WARNING IS CANCELLED... * WHAT...South winds 20 to 30 mph with gusts up to 50 mph. * WHERE...Portions of eastern, northeastern and southeastern Massachusetts and northern and southern Rhode Island. * WHEN...Until 7 AM EST Tuesday. * IMPACTS...Gusty winds could blow around unsecured objects. Tree limbs could be blown down and a few power outages may result. PRECAUTIONARY/PREPAREDNESS ACTIONS... Use extra caution when driving, especially if operating a high profile vehicle. Secure outdoor objects. && $$ CTZ002>004-MAZ004>006-009-011>015-026-RIZ001-010415- /O.CAN.KBOX.WI.Y.0027.000000T0000Z-201201T0600Z/ Hartford CT-Tolland CT-Windham CT-Northern Worcester MA- Central Middlesex MA-Western Essex MA-Western Hampden MA- Eastern Hampden MA-Southern Worcester MA-Western Norfolk MA- Southeast Middlesex MA-Suffolk MA-Northern Middlesex MA- Northwest Providence RI- Including the cities of Hartford, Windsor Locks, Union, Vernon, Putnam, Willimantic, Barre, Fitchburg, Framingham, Lowell, Lawrence, Blandford, Springfield, Milford, Worcester, Foxborough, Norwood, Cambridge, Boston, Ayer, Foster, and Smithfield 1015 PM EST Mon Nov 30 2020 ...WIND ADVISORY IS CANCELLED... Winds have weakened below Advisory criteria. $$ For more information from the National Weather Service visit https://weather.gov/box
The office that day
Everything else NWS Boston/Norton, MA issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Nov 29, 2:34 AM EST | Gale Warning | BOX | 36 hr | |
| Nov 29, 2:42 AM EST | High Wind Watch | BOX | Barnstable, Bristol, Dukes, Essex, Nantucket, Norfolk and 1 more | 25 hr |
Nearby
Wind Advisories in Massachusetts, 2020Wind Advisories in Connecticut, 2020Wind Advisories in Rhode Island, 2020Every wind advisory in 2020
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.