Alert archive / Tennessee / Flash Flood Watches in 2021

Flash Flood Watch 2, NWS Morristown, TN

March 24, 202118 counties in Tennessee; Cherokee County, Clay County, North Carolina

NWS Morristown, TN issued this flash flood watch at Mar 24, 2021, 2:53 PM EDT for 18 counties in Tennessee; Cherokee County, Clay County, North Carolina. It took effect at Mar 25, 2021, 2:00 AM EDT. It was in force for 26 hr.

The area

The counties it named.

The facts

Issued
Mar 24, 2021, 2:53 PM EDT (18:53 UTC)
In effect from
Mar 25, 2021, 2:00 AM EDT
Expired
Mar 26, 2021, 3:40 AM EDT
In force
26 hr
Issued by
NWS Morristown, TN
Flood severity
None

Counties Cherokee County, NC, Clay County, NC, Anderson County, TN, Bledsoe County, TN, Blount County, TN, Bradley County, TN, Hamilton County, TN, Jefferson County, TN, Knox County, TN, Loudon County, TN, Marion County, TN, McMinn County, TN, Meigs County, TN, Monroe County, TN, Morgan County, TN, Polk County, TN, Rhea County, TN, Roane County, TN, Sequatchie County, TN, Sevier County, TN

The radar

The Knoxville radar (KMRX), 119 km from the middle of the area, began a volume at 18:55 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

Nashville Metro, TN (KBNA), launched 12:00Z, 6.9 hours before the alert went out and 201 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.

Skew-T log-pSkew-T log-p diagram, Nashville Metro, TN at 12:00Z on 2021-03-24Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 0 joules per kilogram.LCL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Nashville Metro, TN at 12:00Z on 2021-03-24The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 199 square meters per square second.1939587897Sfc1 km3 km6 km9 kmRMLM
The wind turning with height, colored by layer: ground to 1 km, 1 to 3 km, 3 to 6 km, 6 to 10 km.
Mixed-layer CAPE
0 J/kg
Mixed-layer CIN
No buoyant parcel
Mixed-layer LCL
700 m above ground
0-6 km bulk shear
40 kt
0-1 km storm-relative helicity
199 m²/s²
0-3 km storm-relative helicity
304 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

As transmitted.

438 
WGUS64 KMRX 241853
FFAMRX

URGENT - IMMEDIATE BROADCAST REQUESTED
Flood Watch
National Weather Service Morristown TN
253 PM EDT Wed Mar 24 2021

NCZ060-061-TNZ035-067-068-081>087-098>102-250400-
/O.NEW.KMRX.FF.A.0002.210325T0600Z-210326T1200Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
Cherokee-Clay-Morgan-Roane-Loudon-Sequatchie-Bledsoe-Rhea-Meigs-
McMinn-Northwest Monroe-Southeast Monroe-Marion-Hamilton-Bradley-
West Polk-East Polk-
Including the cities of Murphy, Harriman, Citico, Rockwood,
Athens, Topton, Madisonville, Dentville, Parksville, Tasso,
Whitwell, Big Frog Mountain, Shooting Creek, South Pittsburg,
Monteagle, Loudon, Cleveland, Martin Springs, Archville, Dayton,
Bullet Creek, Bradbury, Dunlap, Sweetwater, Powells Crossroads,
Unaka, Andrews, Palio, Pine Orchard, Tusquitee, Cagle, Fairview,
Clear Water, Chattanooga, Ducktown, Brayton, Oliver Springs,
Petros, Benton, Coker Creek, High Point, Melvine, Haletown
(Guild), Big Spring, Turtletown, Pikeville, Reliance, Etowah,
Marble, Lone Oak, Lenoir City, Spring City, Grandview, Brasstown,
Old Cumberland, Kingston, Cartwright, Old Washington, Hiawasse
Dam, Jasper, Violet, Evensville, Hayesville, Eagle Furnace,
Conasauga, and Mount Crest
253 PM EDT Wed Mar 24 2021 /153 PM CDT Wed Mar 24 2021/

...FLASH FLOOD WATCH IN EFFECT FROM 2 AM EDT /1 AM CDT/ THURSDAY 
THROUGH FRIDAY MORNING...

The National Weather Service in Morristown has issued a

* Flash Flood Watch for Portions of southwest North Carolina, 
  including the following areas, Cherokee and Clay. Portions of east 
  Tennessee, including the following areas, Bledsoe, Bradley, East 
  Polk, Hamilton, Loudon, Marion, McMinn, Meigs, Morgan, Northwest 
  Monroe, Rhea, Roane, Sequatchie, Southeast Monroe and West Polk.

* From 2 AM EDT /1 AM CDT/ Thursday through Friday morning.

* Widespread heavy rainfall is forecast early Thursday morning as a 
  warm front lifts northwards through the Tennessee Valley. This 
  round of rain will produce up to one inch of rainfall across the 
  area. This event will saturate the soils across the area. Another 
  round of heavy rainfall is forecast later Thursday afternoon and 
  Thursday night as strong to severe storms approach from the west. 
  These storms will be
  proficient rain producers. This additional rainfall will 
  exacerbate any ongoing issues and lead to additional flooding 
  issues Thursday afternoon and night.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Turn around, don't drown when encountering flooded roads. Most flood 
deaths occur in vehicles.

Be especially cautious at night when it is harder to recognize the 
dangers of flooding.

A Flash Flood Watch means that conditions may develop that lead to 
Flash Flooding. Flash Flooding is a very dangerous situation. You 
should monitor later forecasts and be prepared to take action should 
Flash Flood Warnings be issued.

&&

$$

Diegan
5 follow-up statements
200 
WGUS64 KMRX 250127
FFAMRX

Flood Watch
National Weather Service Morristown TN
927 PM EDT Wed Mar 24 2021

NCZ060-061-TNZ035-067-068-081>087-098>102-250900-
/O.CON.KMRX.FF.A.0002.210325T0600Z-210326T1200Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
Cherokee-Clay-Morgan-Roane-Loudon-Sequatchie-Bledsoe-Rhea-Meigs-
McMinn-Northwest Monroe-Southeast Monroe-Marion-Hamilton-Bradley-
West Polk-East Polk-
Including the cities of Murphy, Harriman, Citico, Rockwood,
Athens, Topton, Madisonville, Dentville, Parksville, Tasso,
Whitwell, Big Frog Mountain, Shooting Creek, South Pittsburg,
Monteagle, Loudon, Cleveland, Martin Springs, Archville, Dayton,
Bullet Creek, Bradbury, Dunlap, Sweetwater, Powells Crossroads,
Unaka, Andrews, Palio, Pine Orchard, Tusquitee, Cagle, Fairview,
Clear Water, Chattanooga, Ducktown, Brayton, Oliver Springs,
Petros, Benton, Coker Creek, High Point, Melvine, Haletown
(Guild), Big Spring, Turtletown, Pikeville, Reliance, Etowah,
Marble, Lone Oak, Lenoir City, Spring City, Grandview, Brasstown,
Old Cumberland, Kingston, Cartwright, Old Washington, Hiawasse
Dam, Jasper, Violet, Evensville, Hayesville, Eagle Furnace,
Conasauga, and Mount Crest
927 PM EDT Wed Mar 24 2021 /827 PM CDT Wed Mar 24 2021/

...FLASH FLOOD WATCH REMAINS IN EFFECT FROM 2 AM EDT /1 AM CDT/ 
THURSDAY THROUGH FRIDAY MORNING...

The Flash Flood Watch continues for

* Portions of southwest North Carolina, including the following 
  areas, Cherokee and Clay. Portions of east Tennessee, including 
  the following areas, Bledsoe, Bradley, East Polk, Hamilton, 
  Loudon, Marion, McMinn, Meigs, Morgan, Northwest Monroe, Rhea, 
  Roane, Sequatchie, Southeast Monroe and West Polk.

* From 2 AM EDT /1 AM CDT/ Thursday through Friday morning.

* Widespread heavy rainfall is forecast early Thursday morning as a 
  warm front lifts northwards through the Tennessee Valley. This 
  round of rain will produce up to one inch of rainfall across the 
  area. This event will saturate the soils across the area. Another 
  round of heavy rainfall is forecast later Thursday afternoon and 
  Thursday night as strong to severe storms approach from the west. 
  These storms will be proficient rain producers. This additional 
  rainfall will
  exacerbate any ongoing issues and lead to additional flooding 
  issues Thursday afternoon and night.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Turn around, don't drown when encountering flooded roads. Most flood 
deaths occur in vehicles.

Be especially cautious at night when it is harder to recognize the 
dangers of flooding.

&&

$$
118 
WGUS64 KMRX 250751
FFAMRX

URGENT - IMMEDIATE BROADCAST REQUESTED
Flood Watch
National Weather Service Morristown TN
351 AM EDT Thu Mar 25 2021

TNZ036-069>074-252100-
/O.EXA.KMRX.FF.A.0002.000000T0000Z-210326T1200Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
Anderson-Knox-Jefferson-Northwest Blount-Blount Smoky Mountains-
North Sevier-Sevier Smoky Mountains-
Including the cities of White Pine, Knoxville, Gatlinburg,
Strawberry Plains, Elkmont, Happy Valley, Chestnut Hill, Seymour,
Bearden, Harrisburg, Pigeon Forge, Maryville, McMahan, Alcoa,
Lake Forest, Dandridge, Cades Cove, Kodak, Sevierville, Clinton,
Jefferson City, and Oak Ridge
351 AM EDT Thu Mar 25 2021

...FLASH FLOOD WATCH IN EFFECT THROUGH FRIDAY MORNING...

The National Weather Service in Morristown has expanded the

* Flash Flood Watch to include A portion of east Tennessee, 
  including the following areas, Anderson, Blount Smoky Mountains, 
  Jefferson, Knox, North Sevier, Northwest Blount and Sevier Smoky 
  Mountains.

* Through Friday morning.

* Widespread heavy rainfall is forecast this morning as a 
  warm front lifts northwards through the Tennessee Valley. This 
  round of rain will produce up to one inch of rainfall across the 
  area. This event will saturate the soils across the area. Another 
  round of heavy rainfall is forecast later Thursday afternoon and 
  Thursday night as strong to severe storms approach from the west. 
  These storms will be proficient rain producers. This additional 
  rainfall will exacerbate any ongoing issues and lead to additional 
  flooding issues Thursday afternoon and night.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Turn around, don't drown when encountering flooded roads. Most flood 
deaths occur in vehicles.

Be especially cautious at night when it is harder to recognize the 
dangers of flooding.

&&

$$

NCZ060-061-TNZ035-067-068-081>087-098>102-252100-
/O.CON.KMRX.FF.A.0002.000000T0000Z-210326T1200Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
Cherokee-Clay-Morgan-Roane-Loudon-Sequatchie-Bledsoe-Rhea-Meigs-
McMinn-Northwest Monroe-Southeast Monroe-Marion-Hamilton-Bradley-
West Polk-East Polk-
Including the cities of Murphy, Harriman, Citico, Rockwood,
Athens, Topton, Madisonville, Dentville, Parksville, Tasso,
Whitwell, Big Frog Mountain, Shooting Creek, South Pittsburg,
Monteagle, Loudon, Cleveland, Martin Springs, Archville, Dayton,
Bullet Creek, Bradbury, Dunlap, Sweetwater, Powells Crossroads,
Unaka, Andrews, Palio, Pine Orchard, Tusquitee, Cagle, Fairview,
Clear Water, Chattanooga, Ducktown, Brayton, Oliver Springs,
Petros, Benton, Coker Creek, High Point, Melvine, Haletown
(Guild), Big Spring, Turtletown, Pikeville, Reliance, Etowah,
Marble, Lone Oak, Lenoir City, Spring City, Grandview, Brasstown,
Old Cumberland, Kingston, Cartwright, Old Washington, Hiawasse
Dam, Jasper, Violet, Evensville, Hayesville, Eagle Furnace,
Conasauga, and Mount Crest
351 AM EDT Thu Mar 25 2021 /251 AM CDT Thu Mar 25 2021/

...FLASH FLOOD WATCH REMAINS IN EFFECT THROUGH FRIDAY MORNING...

The Flash Flood Watch continues for

* Portions of southwest North Carolina, including the following 
  areas, Cherokee and Clay. Portions of east Tennessee, including 
  the following areas, Bledsoe, Bradley, East Polk, Hamilton, 
  Loudon, Marion, McMinn, Meigs, Morgan, Northwest Monroe, Rhea, 
  Roane, Sequatchie, Southeast Monroe and West Polk.

* Through Friday morning.

* Widespread heavy rainfall is forecast this morning as a 
  warm front lifts northwards through the Tennessee Valley. This 
  round of rain will produce up to one inch of rainfall across the 
  area. This event will saturate the soils across the area. Another 
  round of heavy rainfall is forecast later Thursday afternoon and 
  Thursday night as strong to severe storms approach from the west. 
  These storms will be proficient rain producers. This additional 
  rainfall will exacerbate any ongoing issues and lead to additional 
  flooding issues Thursday afternoon and night.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Turn around, don't drown when encountering flooded roads. Most flood 
deaths occur in vehicles.

Be especially cautious at night when it is harder to recognize the 
dangers of flooding.

&&

$$

BW
742 
WGUS64 KMRX 251652
FFAMRX

Flood Watch
National Weather Service Morristown TN
1252 PM EDT Thu Mar 25 2021

NCZ060-061-TNZ035-036-067>074-081>087-098>102-260600-
/O.CON.KMRX.FF.A.0002.000000T0000Z-210326T1200Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
Cherokee-Clay-Morgan-Anderson-Roane-Loudon-Knox-Jefferson-
Northwest Blount-Blount Smoky Mountains-North Sevier-Sevier Smoky
Mountains-Sequatchie-Bledsoe-Rhea-Meigs-McMinn-Northwest Monroe-
Southeast Monroe-Marion-Hamilton-Bradley-West Polk-East Polk-
Including the cities of White Pine, Bradbury, Rockwood, Reliance,
Dentville, Shooting Creek, Cades Cove, Powells Crossroads, Cagle,
Tusquitee, Fairview, Jefferson City, Parksville, Haletown
(Guild), Big Spring, Whitwell, Happy Valley, Spring City, Old
Cumberland, Cartwright, Old Washington, Jasper, Turtletown,
Knoxville, Strawberry Plains, Oak Ridge, Tasso, Clear Water,
Alcoa, High Point, Pikeville, Coker Creek, Grandview, Seymour,
Hiawasse Dam, Archville, Violet, Eagle Furnace, Madisonville,
Harriman, Gatlinburg, Conasauga, Monteagle, Elkmont, Chestnut
Hill, Dayton, Marble, Brayton, Pine Orchard, Maryville, Petros,
Lake Forest, Melvine, Clinton, Etowah, Brasstown, Big Frog
Mountain, Unaka, Cleveland, Ducktown, Martin Springs, Sweetwater,
Bullet Creek, Athens, Topton, South Pittsburg, Loudon, Bearden,
Murphy, Dunlap, Harrisburg, Andrews, Palio, Citico, Evensville,
Chattanooga, Pigeon Forge, McMahan, Oliver Springs, Benton, Mount
Crest, Kodak, Sevierville, Lone Oak, Lenoir City, Dandridge,
Kingston, and Hayesville
1252 PM EDT Thu Mar 25 2021 /1152 AM CDT Thu Mar 25 2021/

...FLASH FLOOD WATCH REMAINS IN EFFECT THROUGH FRIDAY MORNING...

The Flash Flood Watch continues for

* Portions of southwest North Carolina, including the following 
  areas, Cherokee and Clay. Portions of east Tennessee, including 
  the following areas, Anderson, Bledsoe, Blount Smoky Mountains, 
  Bradley, East Polk, Hamilton, Jefferson, Knox, Loudon, Marion, 
  McMinn, Meigs, Morgan, North Sevier, Northwest Blount, Northwest 
  Monroe, Rhea, Roane, Sequatchie, Sevier Smoky Mountains, Southeast 
  Monroe and West Polk.

* Through Friday morning.

* Widespread heavy rainfall is forecast this morning as a 
  warm front lifts northwards through the Tennessee Valley. This 
  round of rain will produce up to one inch of rainfall across the 
  area. This event will saturate the soils across the area. Another 
  round of heavy rainfall is forecast later Thursday afternoon and 
  Thursday night as strong to severe storms approach from the west. 
  These storms will be proficient rain producers. This additional 
  rainfall will exacerbate any ongoing issues and lead to additional 
  flooding issues Thursday afternoon and night.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Turn around, don't drown when encountering flooded roads. Most flood 
deaths occur in vehicles.

Be especially cautious at night when it is harder to recognize the 
dangers of flooding.

&&

$$

Diegan
022 
WGUS64 KMRX 260156
FFAMRX

Flood Watch
National Weather Service Morristown TN
956 PM EDT Thu Mar 25 2021

NCZ060-061-TNZ035-036-067>074-081>087-098>102-261200-
/O.CON.KMRX.FF.A.0002.000000T0000Z-210326T1200Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
Cherokee-Clay-Morgan-Anderson-Roane-Loudon-Knox-Jefferson-
Northwest Blount-Blount Smoky Mountains-North Sevier-Sevier Smoky
Mountains-Sequatchie-Bledsoe-Rhea-Meigs-McMinn-Northwest Monroe-
Southeast Monroe-Marion-Hamilton-Bradley-West Polk-East Polk-
Including the cities of White Pine, Bradbury, Rockwood, Reliance,
Dentville, Shooting Creek, Cades Cove, Powells Crossroads, Cagle,
Tusquitee, Fairview, Jefferson City, Parksville, Haletown
(Guild), Big Spring, Whitwell, Happy Valley, Spring City, Old
Cumberland, Cartwright, Old Washington, Jasper, Turtletown,
Knoxville, Strawberry Plains, Oak Ridge, Tasso, Clear Water,
Alcoa, High Point, Pikeville, Coker Creek, Grandview, Seymour,
Hiawasse Dam, Archville, Violet, Eagle Furnace, Madisonville,
Harriman, Gatlinburg, Conasauga, Monteagle, Elkmont, Chestnut
Hill, Dayton, Marble, Brayton, Pine Orchard, Maryville, Petros,
Lake Forest, Melvine, Clinton, Etowah, Brasstown, Big Frog
Mountain, Unaka, Cleveland, Ducktown, Martin Springs, Sweetwater,
Bullet Creek, Athens, Topton, South Pittsburg, Loudon, Bearden,
Murphy, Dunlap, Harrisburg, Andrews, Palio, Citico, Evensville,
Chattanooga, Pigeon Forge, McMahan, Oliver Springs, Benton, Mount
Crest, Kodak, Sevierville, Lone Oak, Lenoir City, Dandridge,
Kingston, and Hayesville
956 PM EDT Thu Mar 25 2021 /856 PM CDT Thu Mar 25 2021/

...FLASH FLOOD WATCH REMAINS IN EFFECT UNTIL 8 AM EDT/7 AM CDT/ 
FRIDAY...

The Flash Flood Watch continues for

* Portions of southwest North Carolina, including the following 
  areas, Cherokee and Clay. Portions of east Tennessee, including 
  the following areas, Anderson, Bledsoe, Blount Smoky Mountains, 
  Bradley, East Polk, Hamilton, Jefferson, Knox, Loudon, Marion, 
  McMinn, Meigs, Morgan, North Sevier, Northwest Blount, Northwest 
  Monroe, Rhea, Roane, Sequatchie, Sevier Smoky Mountains, Southeast 
  Monroe and West Polk.

* Until 8 AM EDT/7 AM CDT/ Friday.

* The ground is already quite wet from earlier rainfall, and another 
  round of showers and thunderstorms will bring heavy downpours 
  overnight. This additional rainfall will exacerbate any ongoing 
  issues and may lead to additional flooding issues tonight.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Turn around, don't drown when encountering flooded roads. Most flood 
deaths occur in vehicles.

Be especially cautious at night when it is harder to recognize the 
dangers of flooding.

&&

$$
995 
WGUS64 KMRX 260740 AAA
FFAMRX

Flood Watch...UPDATED
National Weather Service Morristown TN
340 AM EDT Fri Mar 26 2021

NCZ060-061-TNZ035-036-067>074-081>087-098>102-260845-
/O.CAN.KMRX.FF.A.0002.000000T0000Z-210326T1200Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
Cherokee-Clay-Morgan-Anderson-Roane-Loudon-Knox-Jefferson-
Northwest Blount-Blount Smoky Mountains-North Sevier-
Sevier Smoky Mountains-Sequatchie-Bledsoe-Rhea-Meigs-McMinn-
Northwest Monroe-Southeast Monroe-Marion-Hamilton-Bradley-
West Polk-East Polk-
Including the cities of Andrews, Marble, Topton, Hiawasse Dam, 
Murphy, Unaka, Violet, Shooting Creek, Brasstown, Hayesville, 
Tusquitee, Pine Orchard, High Point, Petros, Oak Ridge, Clinton, 
Harriman, Eagle Furnace, Rockwood, Bradbury, Fairview, Kingston, 
Oliver Springs, Lenoir City, Loudon, Bearden, Knoxville, 
Lake Forest, Jefferson City, Strawberry Plains, Chestnut Hill, 
Dandridge, White Pine, Happy Valley, Maryville, Alcoa, 
Cades Cove, Harrisburg, Kodak, McMahan, Sevierville, Seymour, 
Pigeon Forge, Elkmont, Gatlinburg, Cagle, Dunlap, Cartwright, 
Lone Oak, Old Cumberland, Palio, Melvine, Mount Crest, Pikeville,
Brayton, Dayton, Evensville, Old Washington, Grandview, 
Spring City, Big Spring, Athens, Clear Water, Dentville, Etowah, 
Sweetwater, Madisonville, Bullet Creek, Citico, Coker Creek, 
South Pittsburg, Haletown (Guild), Jasper, Martin Springs, 
Whitwell, Powells Crossroads, Monteagle, Chattanooga, Cleveland, 
Tasso, Conasauga, Archville, Benton, Parksville, Reliance, 
Big Frog Mountain, Ducktown, and Turtletown
340 AM EDT Fri Mar 26 2021 /240 AM CDT Fri Mar 26 2021/

...FLASH FLOOD WATCH IS CANCELLED...

The Flash Flood Watch for portions of southwest North Carolina
and East Tennessee has been cancelled, as heavy rainfall has
ended. However, some rivers in the area remain above flood stage,
with river flood warnings in effect. 

Turn around, don't drown when encountering flooded roads. Most flood 
deaths occur in vehicles.

Be especially cautious at night when it is harder to recognize the 
dangers of flooding. 

$$

The office that day

Everything else NWS Morristown, TN issued on the same UTC day.

IssuedProductOfficeCountiesLasted
Mar 24, 9:43 AM EDTHigh Wind WarningMRXBlount, Carter, Cocke, Greene, Johnson, Monroe and 2 more42 hr

Nearby

Flash Flood Watches in Tennessee, 2021Flash Flood Watches in North Carolina, 2021Every flash flood watch 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.